The winter in Leningrad (now St. Petersburg) in 1941 was an extremely cold and cruel winter. In the summer of that year, Hitler launched a lightning attack on the Soviet Union, and the German army turned to siege after being blocked in Leningrad. The Soviet government implemented a wartime emergency management of Leningrad. At night, the darkness under the blackout portends an ominous nightmare, and under the iron-grey night sky is the silence caused by martial law, which is only broken by the sudden German artillery attack. The cold winter is coming, the snow has no shins, the ice is thick, the temperature has dropped to minus 35 degrees Celsius,…