Chum Manh, 78, a survivor of the Khmer Rouge S-21 torture centre, poses in his former cell during a visit to the Tuol Sleng Genocide Museum in Phnom Penh, August 31, 2009, as he boycotts the Khmer Rouge trial of Duch, the chief of the S-21. A group of 28 civil parties, many of them relatives of the prisoners who died after harsh interrogations at the S-21, boycotted the trial as they are disappointed with the court order not to question the personal character of Duch. Reuters Pictures logo Reuters Pictures 30 months ago

Chum Manh, 78, a survivor of the Khmer Rouge S-21 torture centre, poses in his former cell during a visit to the Tuol Sleng Genocide Museum in Phnom Penh, August 31, 2009, as he boycotts the Khmer Rouge trial of Duch, the chief of the S-21. A group of 28 civil parties, many of them relatives of the prisoners who died after harsh interrogations at the S-21, boycotted the trial as they are disappointed with the court order not to question the personal character of Duch.