Tuol Sleng Genocide Museum
The Tuol Sleng Genocide Museum is one of Cambodia’s most important historical sites. Originally a high school called Tuol Svay Prey, it was turned into Security Prison 21 (S-21) by the Khmer Rouge in 1975 after they took control of the country. Between 1975 and 1979, during the rule of Pol Pot, an estimated 12,000–20,000…