Desperate Soviet PoWs struggle to lap up water from a semi-frozen stream. The brutal neglect of their captives by the Germans forced many Soviet soldiers into similar humiliating scenes.
Huddled in tattered greatcoats Soviet prisoners glance up at the Signal photographer as they are marched westwards in the winter of 1941. Images like this were paraded in Germany to show that the Russians were "subhuman".
One of the surviving garrison of the fortress at Brest-Litovsk emerges to surrender after putting up a heroic resistance.