Introduction to Jiutian Palace: Jiutian Palace, also known as Dongdaoyuan, is located in the east of Qingkeping. It was built in the 53rd year of Emperor Kangxi's reign in the Qing Dynasty and is in the style of a courtyard. The palace faces east to west, backed by a cliff, and faces a deep ditch in the north. The architectural structure is rigorous and elegant, with a front hall, upper hall, corridors, terraces, etc. within the walls.