French soldier in a water-filled trench

French soldier in a water-filled trench

Scottish soldiers, 1918 

Scottish soldiers, 1918 

German soldiers preparing a gas attack in Poland, 1915

German soldiers preparing a gas attack in Poland, 1915

Italian soldiers captured during the Battle of Caporetto, 1917

Italian soldiers captured during the Battle of Caporetto, 1917

British soldier

British soldier

Austro-Hungarian soldiers in the Italian alps

Austro-Hungarian soldiers in the Italian alps

German mobile radio?

German mobile radio?

General Lavr Kornilov and Russian soldiers

General Lavr Kornilov and Russian soldiers

Italian Bersaglieri soldiers

Italian Bersaglieri soldiers

Austrian troops after the Battle of Caporetto, October 24 to November 19, 1917

Austrian troops after the Battle of Caporetto, October 24 to November 19, 1917

A 13 year old Ottoman soldier…

A 13 year old Ottoman soldier…