Do you know the role of tiles in ancient architecture?

Wadang is also called "tile head", which refers to the specific part of the top of the pottery tile that hangs down. Tiles are pottery pieces with arcs, used to cover the roof; the so-called "dang", according to the explanation: "dang, bottom, the tiles covering the eaves are at the bottom of the tiles, and the joints are at the ends of the eaves. They are in conflict with each other, so they have the right name." The tile is the head end of the tile. The tile is used on the roof of ancient Chinese buildings. Its main function is waterproofing, drainage, and protection of the wooden roof truss. Practically speaking, it not only facilitates roof leakage, protects eaves, but also increases the beauty of the building. Its styles are mainly round and semi-circular. Wadang is an important component of ancient building tiles.