100 years later: World War I remembered

Jessica Sager

featured

Jun 25, 2014

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British troops advance during the battle of the Somme in this 1916 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via REUTERS. (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 23 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

British troops advance during the battle of the Somme in 1916. Reuters

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British officers observe artillery fire during the battle of the Somme in this 1916 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 22 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

British officers observe artillery fire during the Battle of the Somme in 1916. Reuters

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An aerial photograph taken from a British aeroplane shows bomb damage on the Western Front, in this February 16, 1918 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 30 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

An aerial photo shows bomb damage on the Western Front on Feb. 16, 1918. Reuters

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An aerial photograph shows an allied aircraft flying over the Western Front in this undated handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: MILITARY TRANSPORT SOCIETY ANNIVERSARY POLITICS CONFLICT TPX IMAGES OF THE DAY) ATTENTION EDITORS - PICTURE 29 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

An allied aircraft flies over the Western Front in this undated photo. Reuters

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ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF DEATH AND INJURY Dead British soldiers are pictured at a machine gun position on the Western Front in this 1918 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 25 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. TEMPLATE OUT

Dead British soldiers are pictured at a machine gun position on the Western Front in 1918. Reuters

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Captured German prisoners lie down in a field at Longueau, on the Western Front, in this August 1, 1916

Captured German prisoners lie down in a field at Longueau, on the Western Front, on Aug. 1, 1916. Reuters

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British troops are pictured in trenches on the devastated battlefield during the battle of the Somme in this 1916 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 24 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

British troops are pictured in trenches on the devastated battlefield during the battle of the Somme in 1916. Reuters

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An Austro-Hungarian soldier is pictured in a bunker in an unknown location in this 1916 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 21 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

An Austro-Hungarian soldier rests in a bunker in an undisclosed location in 1916. Reuters

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German officers sit outside dugouts on the Yser Front in Belgium in this 1917 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (BELGIUM - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 20 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

German officers sit outside dugouts on the Yser Front in Belgium in 1917. Reuters

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Women work in a munitions factory in France in this 1916 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 18 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

Women work in a munitions factory in France in 1916. Reuters

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Employees test gas masks at the Chemical Development Laboratory in Philadelphia in this 1919 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (UNITED STATES - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 17 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

Employees test gas masks at the Chemical Development Laboratory in Philadelphia in 1919. Reuters

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A horse wears a flannelette gas mask at the Chemical Development Laboratory, Philadelphia, in this 1919 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (UNITED STATES - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 15 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

A horse wears a flannelette gas mask at the Chemical Development Laboratory, Philadelphia in 1919. Reuters

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A British soldier rides a motorbike with a basket of pigeons on his back, on his way to delivering them to the frontline on the Western Front in this c1916 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY ANIMALS) ATTENTION EDITORS - PICTURE 14 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

A British soldier rides a motorbike with a basket of pigeons on his back to be delivered to the Western Front in 1916. Reuters

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German officers stand near an observation balloon near the Western Front in this handout picture taken in 1915. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: MILITARY SOCIETY ANNIVERSARY CONFLICT POLITICS TPX IMAGES OF THE DAY) ATTENTION EDITORS - PICTURE 10 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

German officers stand near an observation balloon near the Western Front in 1915. Reuters

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German officers are pictured at Air Training School 5, in Hannover in this 1918 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (GERMANY - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 09 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

German officers are pictured at Air Training School 5 in Hannover, Germany in 1918. Reuters

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German officers of Flieger Abteilung 280 have a party at a house where they are stationed near the Western Front, in this 1918 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 06 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

German officers of Flieger Abteilung 280 have a party at a house where they are stationed near the Western Front in 1918. Reuters

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A German Air Force Officer sits astride a dead boar outside a house where he is stationed near the Western Front, in this 1918 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: MILITARY SOCIETY CONFLICT ANNIVERSARY POLITICS TPX IMAGES OF THE DAY) ATTENTION EDITORS - PICTURE 07 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

A German Air Force Officer sits on a dead boar outside a house where he is stationed near the Western Front in 1918. Reuters

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A German navy diver is pictured in this 1917

A German navy diver is pictured in 1917. Reuters

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Sailors take part in morning exercises aboard a German Navy warship in this 1917 handout picture taken at an unknown location at sea. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (MILITARY SOCIETY MARITIME ANNIVERSARY POLITICS CONFLICT) ATTENTION EDITORS - PICTURE 03 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

Sailors take part in morning exercises aboard a German Navy warship in 1917. Reuters

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German officers of Flieger Abteilung 280 are pictured outside a chateau near the Western Front in this 1918 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 05 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

German officers of Flieger Abteilung 280 are outside a chateau near the Western Front in 1918. Reuters

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A German Friedrichshafen seaplane is seen crashed into a building in Germany, 1918 in this handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (GERMANY - Tags: ANNIVERSARY MILITARY POLITICS SOCIETY CONFLICT) ATTENTION EDITORS - PICTURE 01 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

A German Friedrichshafen seaplane is seen crashed into a building in Germany in 1918. Reuters

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An aerial photograph taken from a British aeroplane shows a view of trenches with a giant crater and shell damage marking the land between the trenches on the Western Front, in this September 7, 1916 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 37 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

Trenches on the Western Front are marred with a giant crater and shell damage on Sept. 7, 1916. Reuters

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A view of German quarters behind the front line on the Western Front, in this 1916 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 40 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

A camera catches a glimpse of German quarters behind the front line on the Western Front in 1916. Reuters

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An aerial photograph taken from a British plane shows trenches carved into the land on the Western Front, in this June 17, 1917 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 38 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

An aerial photo shows trenches on the Western Front on June 17, 1917. Reuters

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A German seaplane is pictured after crashing in an unknown location, in this 1916 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 36 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

A German seaplane crashes in an unknown location in 1916. Reuters

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A German observation post is pictured on the Yser Front in Belgium, in this 1917 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (BELGIUM - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 34 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

A German observation post is pictured on the Yser Front in Belgium in 1917. Reuters

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An undated handout picture shows a British reconnaissance photograph showing an aerial view of the Western Front. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (BELGIUM - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 35 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

An undated British reconnaissance photo shows an aerial view of the Western Front. Reuters

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German infantry are shown collecting water on the Western Front, in this 1916 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 33 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

German infantry collect water on the Western Front in 1916. Reuters

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A German pigeon loft is pictured on the Western Front, in this 1916 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY CONFLICT POLITICS MILITARY ANIMALS) ATTENTION EDITORS - PICTURE 13 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

A German pigeon loft is pictured on the Western Front in 1916. Reuters

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Officers of the Imperial German Air Service compete at a squadron athletics meeting near the Western Front in this 1917 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY CONFLICT POLITICS MILITARY TPX IMAGES OF THE DAY) ATTENTION EDITORS - PICTURE 32 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

Officers of the Imperial German Air Service compete at a squadron athletics meeting near the Western Front in 1917. Reuters

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A German officer of Flieger Abteilung 280 reads a book in a chateau where he is stationed near the Western Front, in this 1918 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 31 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

A German officer of Flieger Abteilung 280 reads a book in a chateau where he is stationed near the Western Front in 1918. Reuters

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An observation balloon is pictured from an aeroplane over the Western Front in this 1917 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 28 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

An observation balloon floats over the Western Front in 1917. Reuters

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Austro-Hungarian soldiers stand in front of a mass grave on the Eastern Front in this 1915 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 26 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

Austro-Hungarian soldiers stand in front of a mass grave on the Eastern Front in 1915. Reuters

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A view of women working at the Brewery Road Works munitions factory in this 1916 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (BRITAIN - Tags: MILITARY SOCIETY ANNIVERSARY BUSINESS INDUSTRIAL POLITICS CONFLICT) ATTENTION EDITORS - PICTURE 19 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

Women work at the Brewery Road Works munitions factory in London in 1916. Reuters

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U.S. soldiers model international gas mask designs at the Chemical Development Laboratory in Philadelphia in this 1919 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (UNITED STATES - Tags: MILITARY SOCIETY ANNIVERSARY CONFLICT POLITICS TPX IMAGES OF THE DAY) ATTENTION EDITORS - PICTURE 16 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

US soldiers model international gas mask designs at the Chemical Development Laboratory in Philadelphia in 1919. Reuters

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Italian heavy artillery guns are pictured on the Italian Front in this 1918 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reueters (ITALY - Tags: MILITARY SOCIETY ANNIVERSARY CONFLICT POLITICS TPX IMAGES OF THE DAY) ATTENTION EDITORS - PICTURE 12 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

Italian heavy artillery guns are pictured on the Italian Front in 1918 . Reuters

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A French mobile anti-aircraft gun is pictured on the Western Front, in this 1918 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (FRANCE - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 11 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

A French mobile anti-aircraft gun is pictured on the Western Front in 1918. Reuters

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German Air Force Officers and friends have a picnic in this 1918 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (GERMANY - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 08 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH 'GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

German Air Force Officers and friends have a picnic in 1918. Reuters

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A German U-boat sinks an Allied merchant vessel in the Atlantic Ocean in this 1915 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (SOCIETY ANNIVERSARY POLITICS MARITIME CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 02 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

A German U-boat sinks an Allied merchant vessel in the Atlantic Ocean in 1915. Reuters

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A view of a trench system set up in Long Island City as a field training facility in this 1919 handout picture. This picture is part of a previously unpublished set of World War One (WWI) images from a private collection. The pictures offer an unusual view of varied and contrasting aspects of the conflict, from high tech artillery to mobile pigeon lofts, and from officers partying in their headquarters to the grim reality of life and death in the trenches. The year 2014 marks the centenary of the start of the war. REUTERS/Archive of Modern Conflict London/Handout via Reuters (UNITED STATES - Tags: SOCIETY ANNIVERSARY POLITICS CONFLICT MILITARY) ATTENTION EDITORS - PICTURE 39 OF 40 FOR PACKAGE 'WWI - GUNS, GAS MASKS AND PIGEONS' TO FIND ALL IMAGES SEARCH "GAS MASKS AND PIGEONS' ATTENTION EDITORS - NO SALES. NO ARCHIVES. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS

A trench system is set up in Long Island City as a field training facility in 1919. Reuters

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