Nazi concentration camps - Wikipedia, the free encyclopedia

http://en.wikipedia.org/wiki/Nazi_concentration_camps
Summary: "Prisoners were often transported in inhumane conditions by rail freight cars, in which many died before reaching their destination. The prisoners were confined to the rail cars, often for days or weeks, without food or water. Many died of dehydration in the intense heat of summer or froze to death in winter. Small subcamps were set up near factories to provide forced labour. A synthetic rubber plant in 1942, at Monowitz concentration camp (Auschwitz III); other camps were set up next to airplane factories, coal mines and rocket propellant plants. Conditions were brutal and prisoners were often sent to the gas chambers or killed, if they did not work fast enough. Near the end of the war, the camps became sites for horrific medical experiments. Eugenics experiments, freezing prisoners to determine how exposure affected pilots, and experimental and lethal medicines were all tried at various camps. Female prisoners were routinely raped and degraded in the camps."