The effect of a下沉广场in a department store refers to the design and aesthetic appeal of the underground public space. Such spaces often feature large atriums, escalators, retail kiosks, and artistic installations. They are designed to enhance customer experience, create a sense of wonder, and provide a unique shopping environment.下沉广场are also used to connect different levels of the department store, improving accessibility and flow. The success of a下沉广场effect depends on factors like lighting, flooring, and overall layout.