The Middle Ring of Ba Sing Se contains the city's middle-class populace. Inside this ring are a vast assortment of shops and restaurants as well as the financial district and Town Hall, one of the oldest buildings in the Middle Ring. Ba Sing Se University, a great repository of knowledge and a key landmark of the city, is also located in this area. The buildings of this Ring are larger than those of the Lower Ring, and the roofs are tiled green. It is generally wealthier and has a more peaceful atmosphere than the Lower Ring, and there are many flowers and trees. Citizens of the Middle Ring are free to enter the Agrarian Zone, Lower Ring, Middle Ring and the Upper Ring without needing permission.
