the preserved ruins from the upper part of a crematory

annihilation architecture ash auchwitzbirkenau auschwitz auschwitzbirkenau barbed barbwire barrack barracks birkenau block blocks board bricks building buildings camp cell commemorative complex compound concentration cracovia cracow crematory criminal death defense electrified europe extermination final gas genocide german germany guard heinrich himmler hitler holocaust kill killing konzentrationslager krakow landmark murder museum nazi nazis old plates poland pound prisoners red road rudolf ruins solution tourist tower undefined vintage watch water wire