Introduction to the Muying Building: The Muying Building is located on the east city, at the southern corner of Dongluo City. The original building has been abandoned. In 1985, the state allocated special funds for restoration. The restored Muying Building has a square platform. The platform is 21 meters wide and 11 meters high. The north and south are connected to the main line of the Great Wall. The Muying Tower is built on the city platform. The building area is 119 square meters, the building is 10.5 meters high, with a single eaves and tile roof, 22 floors, brick and wood structure, and 20 arrow windows on the upper and lower floors, making it easy to defend but difficult to attack.