Introduction to Yuanlv Building: Yuanlv Building is located in the 6th courtyard of Meng Mansion. It is a 2-story building with 5 rooms on each floor and a terrace in front of the building. This building and the small courtyard behind the Cishu Building were the residences of the Yasheng priests for the first five generations, who were direct descendants of the Meng family. It was destroyed in the late Qing Dynasty. It was renovated in 1982 and is now a warehouse for storing precious cultural relics.