Spatial or soul, at least one is flowing. Taking commercial advantage of the vent position, setting thin aluminum sheets in order to create "the fish scales" effect in different season and time. Large commercial dynamic line modification with interior space of the original building, leading visitors flow rate upon till the "cold zone". Using construction scaffolding as basic element of the overall layout, through the brand description, product display and the line of consumers’flow, to remind people the common memory of the city. "Liquidity" is the inherent problem of commercial space.