Stock photography, photos: Monument in Phnom Penh - Cambodia Stock photos of The 1979 Cambodian-Vietnam Monument commemorating the fall of the Khmer Rouge by Cambodian and Vietnamese fighters when Vietnam assisted Cambodia. Phnom Penh - Cambodia Photograph: © Robert Burch Click for a larger image and more information Keywords associated with this stock photo: cambodia, phnom penh, resistance monument, expulsion of khmer rouge, vietnamese, cambodian, fighters