Three rifles sticking out of the ground along the top of a trench, Bayonet trench, Verdun

Close-up of a concrete trench

Ground-level view inside a German trench

Close-up view of dugout and trench, Tahure

Ground-level view of a camouflaged trench, Douaumont

View of an abandoned German trench littered with military debris

View of a German trench and barbed wire

Ground-level view of a trench with barbed wire and a small cross visible on the horizon, Fort Douaumont

View from the top of Fort Douaumont of trenches and barbed wire

One soldier and three civilians standing in German trenches in snow-covered war-torn hillocks

Rifles leaning against a large monument of a cross guarded by soldier, with fields and road in the background, Bayonet Trench, Verdun

View of German trench and hand grenades

View of barren hillocks and trenches

View of a German trench and ammunition baskets, near Fort de la Pompelle

Two Red Cross workers standing next to a large monument of a cross, surrounded by barbed wire, Bayonet Trench, Verdun