One of the most important buildings erected during the ancient Khmer Empire, the Preah Khan Temple on the northern edge of the Angkor Archaeological Park is dedicated to his father in 1191 by the great King Jayavarman VII. And fortified walls decorated with stone carvings in the form of divine beings resembling an eagle, and includes a group of entrances, towers, ceremonial spaces, courtyards, shrines and a variety of passages.