January 1943: Soviet machinegunners fire at Nazis who had barricaded themselves into houses during street fighting on the outskirts of Stalingrad. (Photo by Hulton Archive/Getty Images)

circa 1943: A serpentine line stretches to the far horizon as German soldiers routed from their last forts in the vicinity of Stalingrad, are marched to prison camps. The stone blocks mark fortifications that had been blasted by Russian artillery. Trucks and artillery are part of the loot. (Photo by Keystone/Getty Images)

A lone Nazi soldier in a snowbound gun-emplacment scans the horizon for the advancing Red Army. Orel is the hinge between the central and southern German armies. (Photo by Keystone/Getty Images)

circa 1942: Women digging near damaged train tracks during the Battle of Stalingrad, USSR (now Russia), during World War II. Many of the women wear babushkas and skirts. On the hill behind them are destroyed buildings. (Photo by Hulton Archive/Getty Images)

1942: Nazi soldiers enter a captured factory in Stalingrad. (Photo by Keystone/Getty Images)

1942: The Germans bring up their heaviest guns, some of which were used in the siege of Sebastopol, for the shelling of Stalingrad. (Photo by Keystone/Getty Images)

September 1942: A line of wrecked and burning tanks marks the trail as the Germans advance on Stalingrad. (Photo by Keystone/Getty Images)