World War I Trenches and Fortifications

Historic images of World War I trenches and fortifications, depicting the harsh conditions and strategic construction methods used during the conflict.

German reinforced concrete work protected by a netting against grenades, Cornillet hills, May 1917, Marne department, Grand East region, France, Europe
German reinforced concrete work protected by a netting against grenades, Cornillet hills, May 1917, Marne department, Grand East region, France, Europe