You can't. Civil air defense underground parking garage is not a shop and has no commercial use. Swimming pools are not allowed. Civil air defense parking spaces are parking spaces in civil air defense projects, which are located on different floors of buildings and lower floors than ordinary parking spaces. The closed iron gate is one of the signs of civil air defense parking spaces. Some civil air defense parking spaces are located on the same floor as ordinary parking spaces in some buildings and are divided according to different areas.