This is an duplex unit with an annex of two underground floors, measured 257㎡. We try to establish the experience of a theatric ring path inside. Designer utilizes an internal architectural approach to integrate form with function and forms an independent and interrelated field vibe in each space. By using the height difference between the segmented wall and ceiling to distinguish the interior modules. Dark gray marble’s texture reflected outdoor scenery, showing the natural context of "knife and axe chisel marks" in the painting which abstracts the natural and quaint of stacked mountains .