Introduction to Ming'an Palace (Zhengda Guangming Palace): Zhengda Guangming Palace was the main office of the Old Summer Palace at that time, with 7 halls, a wide platform in front of the hall, and 5 east and west auxiliary halls. In addition to the emperor's daily court meetings, it was also a place for receiving foreign envoys and holding banquets. The Zhengdaguangming Hall in the First City is mainly used as a base for sightseeing and location shooting of film and television dramas.