Cambodia, Phnom Penh, Painting by Vann Nath of a prisoner being beaten by a Khmer Rouge cadre with an iron bar at the killing field of Choeung Ek.

Skulls at the Choeung Ek Memorial stupa for victims of the killing fields of the Khmer Rouge

Cambodia, Phnom Penh, Skulls at the Choeung Ek Memorial stupa for victims of the killing fields of the Khmer Rouge.

Choeung Ek Killing Fields Memorial Stupa containing skulls of victims of the Khmer Rouge.

Choeung Ek Killing Fields. Memorial Stupa erected in 1988 and containing over eight thousand skulls of victims of the Khmer Rouge.