Editing Khmer Rouge (section)

=== Museums ===
[[File:Skulls from the killing fields.jpg|thumb|Skulls displayed in the memorial tower]]
The Tuol Sleng Museum of Genocide is a former high school building, which was transformed into a torture, interrogation and execution center between 1976 and 1979.<ref name="killingfieldsmuseum.com">{{cite web|title="S-21 and Choeng Ek Killing Fields: Facing death," The Killing Fields Museum – Learn from Cambodia|url=http://www.killingfieldsmuseum.com/s21-victims.html|access-date=21 April 2012|archive-date=15 March 2012|archive-url=https://web.archive.org/web/20120315212401/http://www.killingfieldsmuseum.com/s21-victims.html|url-status=live}}</ref> The Khmer Rouge called the center S-21.<ref name="killingfieldsmuseum.com" /> Of the estimated 15,000 to 30,000 prisoners,<ref>{{cite web|title=Tuol Sleng Museum of Genocidal Crimes|publisher=International Center for Transitional Justice|url=http://memoryandjustice.org/site/tuol-sleng-museum-of-genocidal-crimes/|access-date=21 April 2012|url-status=dead|archive-url=https://web.archive.org/web/20120209081233/http://memoryandjustice.org/site/tuol-sleng-museum-of-genocidal-crimes/|archive-date=9 February 2012}}</ref> only seven prisoners survived.<ref name="killingfieldsmuseum.com" /> The Khmer Rouge photographed the vast majority of the inmates and left a photographic archive, which enables visitors to see almost 6,000 S-21 portraits on the walls.<ref name="killingfieldsmuseum.com" /> Visitors can also learn how the inmates were tortured from the equipment and facilities exhibited in the buildings.

The [[Choeung Ek]] [[Killing Fields]] are located about 15 kilometers outside of [[Phnom Penh]].<ref name="memoryandjustice.org">{{cite web|title=Choeung Ek, Center of Genocide Crimes|publisher=International Center for Transitional Justice|url=http://memoryandjustice.org/site/choeung-ek-center-of-genocide-crimes/|access-date=22 April 2012|url-status=dead|archive-url=https://web.archive.org/web/20120528091634/http://memoryandjustice.org/site/choeung-ek-center-of-genocide-crimes|archive-date=28 May 2012}}</ref> Most of the prisoners who were held captive at [[Security Prison 21|S-21]] were taken to the fields to be executed and deposited in one of the approximately 129 [[Mass grave|mass graves]].<ref name="memoryandjustice.org" /> It is estimated that the graves contain the remains of over 20,000 victims.<ref name="memoryandjustice.org" /> After the discovery of the site in 1979, the Vietnamese transformed the site into a memorial and stored skulls and bones in an open-walled wooden memorial pavilion.<ref name="memoryandjustice.org" /> Eventually, these remains were showcased in the memorial's centerpiece [[stupa]], or [[Buddhist]] shrine.<ref name="memoryandjustice.org" />