Plan view of a下沉 courtyard in a business street

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A plan view of a下沉 courtyard in a business street typically refers to a two-dimensional drawing or illustration showing the layout and design of the courtyard, which is situated below ground level within a commercial street. Such a design often includes elements like steps, walkways, seating areas, and possibly green spaces or water features. The purpose of such a courtyard is to provide a peaceful and inviting space for pedestrians in a bustling commercial area, offering a contrast to the busy urban environment above.