PasschendaeleThe intervening century, the most violent in human history, has not disarmed these pictures of their power to shock. At the very least, they ask us, on the 100th anniversary of the battle, to see and to try to understand what happened here. Yes, we commemorate the event. Yes, we adorn our breasts with poppies. But have we seen? Have we understood? Have we dared to reason why? What happened at Passchendaele was the expression of the 'wearing down war',