Description: Cambodia - Bas-relief with battle scenes in the Bayon, a temple in the centre of Angkor Thom, the 'Great Capital' of the Khmer empire in Angkor The temple complexes of Angkor 'city' were the heart of the Khmer empire which flourished from the 9th to the 13th century and today are a UNESCO World Heritage Site Siem Reap province, northwest Cambodia.