Honggu District Square, Lanzhou City, Gansu Province. Ping 'an Square is located in the east section of Ping 'an Road, the most prosperous old street in Haishiwan, Honggu District, Lanzhou City, Gansu Province. Covering an area of 36 mu, with a construction area of 60,000 square meters, the total length of 366 meters runs through the "wind and rain gallery" and the "two plus one classic commercial street" more than 400 meters ahead. The overall design is seven floors. No matter what you have during the day and night, the flow of people is very large and particularly prosperous. Honggu District belongs to Lanzhou City, Gansu Province, located in the outer suburbs of Lanzhou City and in the middle of Gansu Province. Founded in 1960, it is named after Hongguchuan, east of Xiangtang Gorge in China. The total area is 567.66 square kilometers.