Yuan Shangdu Site, located in the town of Shangdu Town, Zhenglan Banner, Xilin Gol League, Inner Mongolia Autonomous Region, is located on the Jinlianchuan grassland on the banks of the Lightning River, on the south of the Shangdu River, and on the north of Longgang Mountain. It was built in Xianzong, Mongolia, in 1256, and covers an area of 250 square kilometers. The capital site of the Yuan Dynasty of Chinese history, the birthplace of the Mongolian Yuan culture, the center of political, economic, cultural, religious and foreign exchanges of the Mongolian Yuan Dynasty