Introduction to the green screen wall: Covering an area of ​​42.5 square meters, it is made of stone (different from the other three glazed materials) and weighs 926 tons. Its shape is an imitation wood building structure with four columns and a veranda on the third floor. Standing in the north, it consists of three parts: the base, the wall, and the top of the wall. The overall structure is unique, simple and simple, its carving technology is exquisite, and its architectural exquisiteness is the only one in the country.
The wall is composed of 61 strips or square stones of different sizes, divided into three blocks, in the shape of a "convex", with a total length of 62.2 meters, a height of 7.6 meters, and a thickness of 1.6 meters. It is inlaid with 62 pieces of green mud schist. There are 99 dragons in the whole wall, the largest ones are more than 4 meters long, and the smallest ones are only a few inches. The top of the wall is in the style of a veranda with a large ridge carved from stone, with brackets and flying eaves. There are dragons carved on the ridge, and owl kisses are installed at both ends. The wall base is Xumizuo, surrounded by albite and green sandstone embedded in it, all carved with swimming dragons.