Introduction to Guiguzi Lecture Cave: Guiguzi Lecture Cave is also called "Wang Chan Patriarch Lecture Cave. It is about 400 square meters. The cave is spacious and can accommodate two to three hundred people at the same time. Sitting in the middle, with a crane-like hair and a childish face, Gui Guzi is the one who has the spirit of immortality. Because he lives in seclusion and practices in Guigu Valley behind Yunmeng Mountain, he calls himself Guiguzi and is known as "Mr. Guigu".