Allied soldiers help each other to the infirmary after suffering the blinding effects of chlorine gas.
Bomb craters mark the terrain.
The continuous freezing rain and snow of winter result in a muddy soup that was hard enough to walk through, let alone fight in. Standing for days on end in wet, cold, muddy trenches caused the feet to rot away. Vimy from the air. Note the meandering trench lines. Fort at Verdun before the relentless bombing.