Introduction to Tianwang Hall: This hall has a double eaves Xieshan style, that is, a Xieshan style roof. In the Song Dynasty, it was called Jiujidian, Caodian or Xialiangdouzao. In the Qing Dynasty, it was renamed today, also known as Jiujiding. It is one of the ancient Han architectural roof styles, second only to the veranda roof in terms of size.