Cambodia - The South Gate of Angkor Thom, the 'Great Capital' of the Khmer empire in Angkor, with the face of Lokeshvara ('Lord of the World'). The access to the South Gate is flanked by rows of gods (on the left) and demons (opposite). 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.