Thành được xây dựng theo hình vuông có 4 đường thành khép kín và một thành án ngữ bên ngoài. Thành án ngữ cách thành phía nam khoảng 300m (khoảng cách giữa hai thành).
The city was built under the square there are 4 way into closed and a verdicts outside language. The language project is located south of about 300 m (the distance between the two).
Built into the square has 4 lines into closed and an external language project. Into the southern language project from 300m (the distance between the two cities).