Introduction to the Yuan Shangdu Site: The Yuan Shangdu Site is the ruins of the capital city of the Yuan Dynasty in China. It is about 20 kilometers northeast of the seat of the Zhenglan Banner Government in Xilingol League, Inner Mongolia, on the north bank of the Lightning River. This prairie capital founded by the equestrian people in northern my country is considered to be the product of a wonderful combination of the Central Plains farming culture and the grassland nomadic culture. Historians praise it as comparable to the ancient Italian city of Pompeii. The whole city consists of the palace city, the imperial city and the outer city. The palace walls are made of bricks, with towers at the four corners. There are palaces, pavilions and pavilions such as the Crystal Palace and the Hongxi Palace. The river water is introduced into the city and there are ponds and swamps. The imperial city surrounds the palace city. The city walls are inlaid with stones. The roads are neat and orderly. The southern half is the official office and the area where the mansion is located. Qianyuan Temple and Longguang Huayan Temple are built in the northeast and northwest corners. The outer city is entirely built of earth. It is located in the northwest of the imperial city. The northern part is the royal garden for the emperor to watch, and the southern part is the area where the official offices, temples and workshops are located. The three Guanxiang areas in the east, south and west outside the city are where shops, residences and warehouses are located.