The Auschwitz II-Birkenau main guard house and rail entrance.

They killed them all methodically, with a shot in the nape of the neck, lining up their twisted bodies in the snow on the road; then they left. The eighteen corpses remained exposed until the arrival of the Russians; nobody had the strength to bury them. But by now there were beds in all the huts occupied by corpses as rigid as wood, whom nobody troubled to remove. The ground was too frozen to dig graves; many bodies were piled up in a trench, but already early on the heap showed out of the hole and was shamefully visible from our window.