Introduction to Jiutian Dragon Palace: Covering an area of ​​about 700 square meters, it is filled with colorful stone curtains, giving people a sense of luxury and magnificence, so it is called Dragon Palace. There are nine stone pillars less than one meter at the north end of the hall, guarding another standing stone statue like civil servants and military generals. There are also rare sights in the hall such as the Nine Dragons Panzhu and the Two Fingers Holding the Sky.