30 Amazing and Rarely Seen Photographs from World War One Frontline

These amazing photos are part of a previously unpublished set of World War One images from a private collection. The photographs 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.

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

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

A German Friedrichshafen seaplane crashed into a building in Germany, 1918.

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 1916.

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

U.S. soldiers model international gas mask designs at the Chemical Development Laboratory in Philadelphia in 1919.

Italian heavy artillery guns on the Italian Front in 1918.

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

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

An observation balloon is pictured from an aeroplane over the Western Front in 1917.

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

A German seaplane after crashing in an unknown location in 1916.

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

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

An Austro-Hungarian soldier relaxes in a bunker in an unknown location in 1916.

German officers at Air Training School 5 in Hannover in 1918.

A view of German quarters behind the front line on the Western Front in 1916.

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

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

A German navy diver in 1917.

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

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

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

German prisoners lie down in a field at Longueau on the Western Front in August 1916.

Women working at the Brewery Road munitions factory in London in 1916.

Women work in a munitions factory in France in 1916.

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

German infantry collecting water on the Western Front in 1916.

A German pigeon loft on the Western Front in 1916.

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

(Images: REUTERS/Archive of Modern Conflict London, via Telegraph)