THE top surviving commanders of the 1970s Khmer Rouge regime masterminded one of the “worst horrors” of the 20th century, creating a living nightmare by killing or enslaving millions of Cambodians, a UN-backed war crimes trial has heard.

EVEN if you arrived in Cambodia knowing absolutely nothing of its recent history, it would only take a few hours before you noticed something disturbing.

IN recent years Cambodia has developed a thriving tourist industry which draws thousands of visitors to its temples, particularly the vast Angkor complex.