Introduction to the palace area: The buildings in the palace area are concentrated at the southern end of the villa, with a total area of ​​40,000 square meters. From west to east, they are the main palace, Songhezhai, Wanhe Songfeng and the East Palace. It was rebuilt in the 19th year of Qianlong (1754). The main buildings include: Li Zhengmen, Inner Meridian Gate, Danbo Jingcheng Hall, Sizhi Bookstore, Yanbo Zhishuang Hall, etc. The East Palace was built in the 19th year of Qianlong (1754). The main buildings include Qingyin Pavilion, Qinzheng Hall, Juan Ashengjing Hall, etc.