Introduction to the city wall: Tall and thick, the city wall tens of meters high is decorated with reliefs of lions, bulls, dragons, etc., which are still lifelike despite the erosion of thousands of years. The city wall is double, with an outer wall circumference of 16 kilometers and an inner wall of 8 kilometers. There is a deep moat under the wall. To the east outside the wall, a protective earth wall was built, forming a triple wall.
Attraction