Introduction to Nanzhao Ancient Street: The streets in Weishan Ancient City are centered on Gongchen Tower and are built in a standard tic-tac-toe structure. There are a total of 25 streets and 18 lanes with a total length of 14 kilometers. The houses in the city have basically maintained It has a Chinese-style structure, and the houses on both sides of the south and north main axes have completely preserved the architectural styles and styles of the Ming and Qing Dynasties. The house orientation is about 15 degrees south-to-west, which is combined with the best local lighting method to make up for the " The bad light side of the "four-in-five patio".