Regardless of classic or not, regardless of being fashionable or not.

According to Japanese architect of iconic status, Tadao Ando, "it is an architectural concept, and it is also a concept without adding false pretense." It is because of this concept that makes us become a class of our own. Make use of existing structure, then mix it with new element, it's like making the mixture of light and shadow flow like water or melody composed by key strokes of a piano.