This apartment is located between city and hills. Intend to create several layers of space lights and shadow and outer views by sealed walls and opened or closed doors. Divided the space into three areas with circled movement and let air and light could go through smoothly. At the end of each spaces has personal art collections which make art become a part of daily life and enjoy it. The use of material, stone, wood, steel and glass blend in with architecture. Doors and walls are not obstacle but the extension of visual and spirit.