Introduction to Wenchang Main Hall: Entering the gate of the Imperial Township is a 24-step stone staircase with a nine-dragon stone wall embedded in the middle. Above the stone steps is the main hall of Wenchang Palace, also known as Zhenqing Palace, which was built in the Ming Dynasty. In the middle of the palace This kind and benevolent cast-iron statue wearing a crown, wearing a nine-dragon robe, is the Wenchang Emperor Zhang Yazi.