Beyond Vimy, the Douai Plain. This stunning photograph fully captures the tactical significance of Vimy Ridge. As possessors of the ridge, the Canadian Corps had turned the tables on the Germans. Once overlooked from the summit of the ridge, the Canadians now had the benefit of a view kilometres into the German rear areas. (w.i. castle, dnd, george metcalf archival collection, cwm 19920085-244)