Introduction to the plaque: Above the shrine in the middle hall are the plaques of "Shen Zhao Hai Biao", "Shen Zhao Hai Biao", "Yu Ji Zhao Ling", and "Tong Gong Gong with Heaven", bestowed by Emperor Yongzheng of the Qing Dynasty. The common feature of these three imperial plaques is that the emperor's seal is located in the center of the plaque.