Mary Beth Day, University of Cambridge Bayon temple, constructed by Angkorian King Jayavarman VII in the late 12th century. The faces may be representations of Buddha, the bodhisattva Lokesvara, Jayavarman VII, or a combination. The ancient city of Angkor — the most famous monument of which is the breathtaking ruined temple of Angkor Wat — might have collapsed due to valiant but ultimately failed efforts to battle drought, scientists find. The great city of Angkor in Cambodia, first established in the ninth century, was the capital of the Khmer Empire, the major player in southeast Asia for nearly five centuries....