Khmer Rouge victims gather to mark 'Day of Anger'

Cambodian students read a textbook about the hardline Khmer Rouge at the Hun Sen Ang Snuol high school in Kandal province, some 25 kms west of Phnom Penh. Cambodians staged a re-enactment of Khmer Rouge crimes at a notorious "killing field" Wednesday as the country marked its annual "Day of Anger" for those who died under the regime.(AFP/Suy Se)

Cambodian fine arts school students take part in a performance to mark the annual 'Day of Anger' at the Choeung Ek killing fields memorial near Phnom Penh. Cambodians staged a re-enactment of Khmer Rouge crimes at a notorious "killing field" Wednesday as the country marked its annual "Day of Anger" for those who died under the regime.(AFP/Tang Chhin Sothy)

Phnom Penh Governor Kep Chuk Tema (L) and lawmaker from the Cambodian People's Party, Chea Soth (R), pray in front of a stupa displaying skulls during a ceremony marking the annual 'Day of Anger' at the Choeung Ek killing fields memorial near Phnom Penh.(AFP/Tang Chhin Sothy)

Cambodian people pray in front a stupa displaying skulls at the Choeung Ek killing fields memorial to mark the annual 'Day of Anger' near Phnom Penh. Cambodians staged a re-enactment of Khmer Rouge crimes at a notorious "killing field" Wednesday as the country marked its annual "Day of Anger" for those who died under the regime.(AFP/Tang Chhin Sothy)

Cambodian Buddhist monks watch a performance based on the Khmer Rouge regime during a Remembrance Day ceremony in Choeung Ek, a "Killing Fields" site located 17km (11 miles) south of Phnom Penh, May 20, 2009. Thousands of Cambodians including 500 monks gathered at the site to remember those who perished during the radical communist group's 1975-79 regime.REUTERS/Chor Sokunthea (CAMBODIA)

Chum touch, 69, weeps as she prays near the memorial stupa filled with more than 8,000 skulls of victims of the Khmer Rouge on display at Choeung Ek, a "killing fields" site located on the outskirts of Phnom Penh during a "remembrance of Day" ceremony on 20 May 2009. Thousands of Cambodians including 500 monks gathered at the site to remember those who perished during the radical communist group's 1975-79 regime. Atotal of 129 mass grave were found at Choeung Ek after the Khmer Rouge were driven from power when Vietnamese troops invaded Phnom Penh in early January 1979.REUTERS/Chor Sokunthea (CAMBODIA SOCIETY)

Cambodian villager pray at the memorial stupa filled with more than 8,000 skulls of victims of the Khmer Rouge on display at Choeung Ek, a "killing fields" site located on the outskirts of Phnom Penh during a "remembrance of Day" ceremony on 20 May 2009. Thousands of Cambodians including 500 monks gathered at the site to remember those who perished during the radical communist group's 1975-79 regime. Atotal of 129 mass grave were found at Choeung Ek after the Khmer Rouge were driven from power when Vietnamese troops invaded Phnom Penh in early January 1979.REUTERS/Chor Sokunthea (CAMBODIA SOCIETY)

Cambodian Buddhist monks watch a performance based on the Khmer Rouge regime during a Remembrance Day ceremony in Choeung Ek, a "Killing Fields" site located 17km (11 miles) south of Phnom Penh, May 20, 2009. Cambodians and monks gathered at the site to remember those who perished during the communist group's 1975-79 regime.REUTERS/Chor Sokunthea (CAMBODIA ANNIVERSARY CONFLICT)

Cambodian Buddhist monks watch a performance based on the Khmer Rouge regime during a Remembrance Day ceremony in Choeung Ek, a "Killing Fields" site located 17km (11 miles) south of Phnom Penh, May 20, 2009. Cambodians and monks gathered at the site to remember those who perished during the communist group's 1975-79 regime.REUTERS/Chor Sokunthea (CAMBODIA ANNIVERSARY CONFLICT)

Cambodians take part in a performance based on the Khmer Rouge regime during a Remembrance Day ceremony in Choeung Ek, a "Killing Fields" site located 17km (11 miles) south of Phnom Penh, May 20, 2009. Cambodians and monks gathered at the site to remember those who perished during the communist group's 1975-79 regime.REUTERS/Chor Sokunthea (CAMBODIA ANNIVERSARY CONFLICT)

Cambodians take part in a performance based on the Khmer Rouge regime during a Remembrance Day ceremony in Choeung Ek, a "Killing Fields" site located 17km (11 miles) south of Phnom Penh, May 20, 2009. Cambodians and monks gathered at the site to remember those who perished during the communist group's 1975-79 regime.REUTERS/Chor Sokunthea (CAMBODIA ANNIVERSARY CONFLICT)