Introduction to Shun Yu Building: Shun Yu Building was built in 1937. It is backed by mountains and faces water. It is magnificent and has a corridor diameter of 86 meters. There are 72 rooms on each floor, totaling 288 rooms on 4 floors. There are 80 rooms in the building, for a total of 368 rooms. , is the largest earth building among Nanjing earth buildings and has the reputation of "King of Kings".