Introduction to the interior of Qiyun Hall: The beams in the hall are exposed and decorated with colorful paintings, which is called "completely made in the Ming Dynasty". It is one of the characteristics of early ethnic architecture in northern China. The hall displays the four ancestral, Xing, Jing, and Xian ancestors and queens' large and small Nuan Pavilion treasure beds, dragon and phoenix thrones, shrines, offerings, five offerings, golden melons, axes and other ceremonial guards. In addition to the emperor's visit to the mausoleum and state-owned ceremonies, 4 major sacrifices and 24 minor sacrifices are held here every year.