"humanity' Bearer Post, Cambrin Sector, August 1916 (the 91st Field Ambulance)" image: Two British soldiers in a trench outside the entrance to a dugout. Rain pours down from the thick grey clouds above. One soldier wears an oilskin and kneels in front of a tiny brazier. The other stands in his overcoat fixing a bayonet to his rifle. The floor of the trench is covered in a thick layer of mud.