Introduction to Yidian: Yidian is located at the intersection of the first and second avenues on the central axis. It covers an area of ​​66 square meters, with four rooms in width and three rooms in depth. The main entrance hangs a large "Fa Yu Ci Yun" A plaque. The hall is dedicated to the four seated water gods of Yang, Liu, Du and Meng, holding hammers, whips, axes and axes respectively. They sit on both sides with different expressions, lifelike shapes, mighty and powerful, and commanding momentum.