万物灵长的人类自从三百万年前告别自己祖先古猿而从树上下到地面,便为了生存不断寻找和构筑栖身之所。从洞穴到半穴式建筑,再到地面建筑,标志着他们锲而不舍地利用自然创造历史的艰辛历程。进入青铜时代,生产力的不断发展,使大型宫殿的建造成为可能。于是,在距今约三千年的西周早期,中国传统的土木建筑中最重要的材料之一——瓦出现了。随着瓦的不断使用,瓦当应运而生。中国古代的瓦分为板瓦和筒瓦两种。房屋顶部上瓦时, The primate human beings have sought and constructed shelters in order to survive ever since they bid farewell to their ancestors about three million years ago from the tree to the ground. From caves to half-cave buildings to ground-based buildings, they symbolize the arduous journey they have made in using history to create history through perseverance. Into the bronze age, the continuous development of productive forces, so that the construction of large palaces possible. Thus, in the early Western Zhou Dynasty, about three thousand years ago, one of the most important materials of traditional Chinese civil architecture was watt. With the continuous use of tile, tile when came into being. Ancient Chinese tile is divided into two kinds of tile and Tongwa. When the roof of the house on the tile,