Tuol Sleng Genocide Museum, former school turned Khmer Rouge detention center. Phnom Penh, Cambodia http://www.terragalleria.com/asia/cambodia/phnom-phen/picture.camb2949.html Human Skulls, Choeng Ek Killing Fields memorial. Phnom Penh, Cambodia http://www.terragalleria.com/asia/cambodia/phnom-phen/picture.camb2952.html Pictures of executed prisoners, Tuol Sleng Genocide Museum. Phnom Penh, Cambodia http://www.terragalleria.com/asia/cambodia/phnom-phen/picture.camb2950.html Skulls of executed prisoners, Choeng Ek Killing Fields memorial. Phnom Penh, Cambodia http://www.terragalleria.com/asia/cambodia/phnom-phen/picture.camb2951.html