Nowadays, office building which is the new sign of development of China has become the sign of pressure and social class. White-collared workers are kidnapped in numerous office buildings. Like those office ladies, crazy hearts were hidden under the cool look. Therefore, “double-faced” is the concept of this design. The functions: “work” and “recreation” are mixed up. In the daytime, this building is a serious work place. However, in the night through the transparent surface, we can see cinema, bars, music live hall, etc inside the whole building.