Ancient architecture in China stands out its fine wooden structure, the elegant outside and beautiful decoration. To survive the frequent floods and other natural disasters, wood (prefer) for most architectural structures in ancient China. China's (tradition) wooden structures were quite complicatedly formed, sometimes without any nails! Apart from this, existing examples of ancient Chinese architecture are also (wide) praised for its elegant outlines and various features, such as overhanging eaves (屋檐), upturned roof comers, and different (shape) of roofs. The unique outside not only satisfied a practical function, but also made possible for the buildings to have wonderful appearances. Architects in ancient China, paid special attention to decoration, used different colors or paintings according to particular building functions or local customs. Carved beams, painted rafters (椽子)and different patterns were used (add) a colorful and beautiful style to the inside. outside of buildings was decorated with stone lions, screen walls, decorative columns, as well as flowers. Many ancient buildings (design) by famous architects attract a number of tourists every year.