Multilayer superposition of buildings .Interlaced, like a Rubik's cube. From the origin,whether you go straight or flip it left or right,In many twists and turns, eventually will return to the original heart. The famous library in southeast China is called yuhai building. Time flies, the historical context here left a frozen moment. Based on the form of the building, the interior extends the life of the building. Rubik's cube array with a sense of sequence, around the central axis symmetry of the bookshelf, to create a scholarly, quiet academy temperament.