Introduction to Qinghui Building: Located northwest of Qinzheng Hall, it is the place where the country holds banquets during happy events or when welcoming diplomatic envoys. It is built on a huge artificial pond. It has 10 rooms on the front and 4 rooms on the side. It is a two-story pavilion and was built in the 10th year of Emperor Taizong Yongle (1412). The shape of the pavilion is known as the best in Korea. The stone pillar pavilion standing on the square river pond looks like a huge pavilion floating on the pond, which is extremely magnificent.