The project is a community sales center located in Chongqing, China. The designer respects the urban form of Chongqing as a mountain city.It is designed according to the original rock-like mass of the building, taking the form and artistic conception of "cave" as its prototype, and at the same time taking the most primitive way of living of mankind, which is living in a cave, as its design concept, forming a wonderful atmosphere like cave dwelling.