Introduction to Yi Jing Tang: Yi Jing Tang was built during the Qianlong period of the Qing Dynasty and covers an area of ​​150 square meters. Its owner, Yu Nianceng, was an official of Tongzhi (fifth grade) of the state. He was an upright official, treated others generously, and studied diligently. He advocated not leaving money to future generations, but educating them to become successful.