Introduction to Xili Pavilion: Xili Pavilion is located on the south side of Nantan Gate. The pavilion has a single eave with pointed roof, a yellow glazed tile roof, a hexagonal shape and is built on a two-story platform. Xi Li Pavilion was built in the 18th year of Yongle in the Ming Dynasty (1420). It was originally located in the Yamen of Honglu Temple, Bingbu Street, Zhengyangmen. It was specially designed for civil and military officials, ethnic minority leaders and tribute envoys from subordinate countries who came to Beijing for the first time in the Ming and Qing dynasties. It was used to practice the etiquette of the emperor's pilgrimage, so it was named Xili Pavilion, also known as Yanli Pavilion. When the Eight-Power Allied Forces invaded Beijing in the 26th year of Guangxu (1900), Honglu Temple was burned, but this pavilion was spared. Soon the British army occupied Honglu Temple. As a playground, the Qing government was forced to move the ceremony pavilion to the Libu Yamen courtyard on Hubu Street. In 1912, the ceremony courtyard was occupied by the Salt Affairs Bureau. In April 1915, the pavilion was moved to Zhongshan Park, where a small etiquette exhibition is now held.