Cambodian fine arts school students take part in a performance to mark the annual 'Day of Anger' at the Choeung Ek killing fields memorial in Phnom Penh on May 20, 2013. Black-clad students wielding branches and bamboo sticks on Monday mimed the abuse and murder of Khmer Rouge victims to remember the dead on Cambodia's annual "Day of Anger"
Cambodian fine arts school students take part in a performance to mark the annual 'Day of Anger' at the Choeung Ek killing fields memorial in Phnom Penh on May 20, 2013. Black-clad students wielding branches and bamboo sticks on Monday mimed the abuse and murder of Khmer Rouge victims to remember the dead on Cambodia's annual "Day of Anger"