In this file photo taken on September 10, 1990 leaders of the Cambodian factions including Cambodian Khmer Rouge guerrilla faction leader Khieu Samphan (2nd R) and Hun Sen (L), prime minister of the Hanoi-backed Cambodian government, joining hands at a press conference in Jakarta at the end of their talks where they reached a peace agreement to end the Cambodian war. (Photo by Francis SILVAN / AFP)