Tile,also known as roof tile,is an architectural style in which ceramic tiles are added to the roof,usually paired with pointed sloping roofs,commonly found in Asia and Europe.(Pictography.The shape of the roof tiles supporting each other in pitch and tilt."Tile"is a radical of Chinese characters,next to the tile character.Its original meaning is:a general term for burnt earthenware.).The Records of the Grand Historian?The Biography of Lian Po and Lin Xiangru:"The Qin army is clamoring and mobilizing troops at Wu'an House,and they are fully mobilized.From the oracle bone script,it is known that the roof ridge over 3000 years ago had towering decorations or structural components,but there have been no excavations of actual ceramic tiles.Therefore,it can be inferred that this type of component may be made of wood-already rotten,or copper-which has not been recognized by modern people but has not been covered with fired pottery tiles.The invention and use of tiles in the early Western Zhou Dynasty(1046-771 BC)were discovered in the Fengchu Village site in Qishan,Shaanxi Province.The number of remains is relatively small,indicating that they were only used for roof ridges,gutters,and roof parts at that time.By the mid to late Western Zhou Dynasty,a relatively large number of tiles were discovered from the Zhaochen site in Fufeng,Shaanxi.Some roofs were fully tiled,and the quality of the tiles also improved,with the appearance of half tile roofs.