Introduction to Sifang Street: Sifang Street is the representative of Lijiang ancient street. It is located at the core of the ancient city. It is not only the center of Dayan Ancient City, but also the trade and commercial center of northwest Yunnan. Sifang Street is a small trapezoidal square of about 4,000 square meters, with five-flower stone paving and rows of shops on both sides of the street.