"Fosse 6, on the Canadian Front near Lens, in the grip of winter, January 1918." This photo is a copy from the Regimental History. Fosse is a mine or pit (as in coalmine). These pits were / are particularly common in the area of Loos and Lens where the Canadian Corps spent much of the winter of 1916-1917. They are shown on trench maps of the period as such.