Introduction to Yuanchen Hall: Yuanchen Hall is also known as the Temple of Protection. The goddess in the center of the hall is Doumu. According to legend, she is the mother of the Lord of the Nine Stars of the Big Dipper and the highest deity in the Beidou heaven. It is said that the Big Dipper is responsible for life, and the Southern Dipper is responsible for death. Therefore, she is also the divine way that controls human life.