Interior Space and Exhibition Design SeeAnn Retreats by Heng Zhou It precisely controlled the cost and effectively analyzed the spatial relationships among different building elements. Through properly arranged the positions of each wall, column, floor slab and ceiling slab, the project adopted a concise and economic way to achieve an open and clean space. Therefore, it created spacious places and astonishing moments to facilitate diverse human activities, and made an intimate ambience to find an appropriate balance between human and nature.