Warfare usually slows down in winter. Not so in Russia in 1942. The Germans launch another huge attack to relieve the 6th Army in Stalingrad. But the Red Army has its own ideas. 

Map 1: The long, long German lines to Stalingrad

Map 2: Operation Uranus

Source: Awesome stories

Map 3a: Operation Winter Storm

Source: https://alchetron.com/cdn/operation-winter-storm-ee2a434c-cf0a-4ef4-a3c3-e87d2e84c08-resize-750.jpeg 

Map 3b: Operation Winter Storm fails

Source: WWIIincolor.com 

Historical pictures

A Panzer III on the steppe in southern Russia, December 1942 

Source: Wikimedia Commons 

Soviet forces in southern Russia, winter 1942.

Source: Wikimedia Commons 

Sources:

Antony Beevor, Stalingrad: The Fateful Siege 1942–1943. Penguin Books, 1998.

Antony Beevor, The Second World War. London, UK: Little, Brown and Co., 2012.

Anthony Tucker-Jones, Slaughter on the Eastern Front: Hitler and Stalin’s War 1941–1945. Stroud, Gloucestershire, UK: The History Press, 2017

Sound effects by Zapsplat.