Angkor Thom (also known as Big Angkor) is a 3km sq walled and moated royal city of King Jayavarman VII and was the last capital of the Angkorian empire.
Bayon, a state temple of King Jayavarman VII, was constructed during the late 12th century AD under Buddhism influence. The giant stone faces of Bayon have become one of the most recognizable images connected to classic Khmer art and architecture. There are 37 standing towers in Bayon only 4 are carved faces orientated toward the cardinal points. Who the faces represent is debatable: they may be Loksvara, Mahayana Buddhism's compassionate Bodhisattva or rather combination of King Jayavarman VII and buddha.