Screen wall, which originated in China, is also called screen wall, screen wall and screen wall. It is a kind of building in front of ancient temples, palaces, government offices and deep houses, that is, the wall outside the door faces the gate as a barrier.
As a barrier in front of the buildings, the screen wall is used to distinguish the inside and outside, which increases the dignified and quiet atmosphere and has decorative significance. Shadow walls often form a square or courtyard in front of the gates of palaces, palaces or temples, giving people room for manoeuvre. Therefore, it becomes a place where people stop and move before entering the gate. It's also a place to park and swing up and down.