What shape is commonly used as the decoration of drainage outlet in ancient buildings in China?

The shape that is often used as a drain decoration in ancient buildings in China is Guo.

Chī (Chī Θ) or cicada head, one of the nine sons of the dragon born in ancient myths and legends in China, belongs to a kind of dragon without horns. Its shape is often used as decoration in ancient buildings, utensils and handicrafts in China. Its mouth is very big, and its belly can hold a lot of water. It is often used to decorate the drainage outlet of buildings, which is called decapitation.

The gnat is a kind of dragon without horns in ancient myths and legends of China. China's ancient buildings, utensils and handicrafts are often decorated with its shape. It is one of the nine sons of the dragon. It's close, brave, and it's also stuck on the roof. This is called kissing. Pan Guo, that's what his two laps look like. Cao Zhi's "Gui Shu" has the sentence "There is a phoenix on the top and a pan Guo on the bottom".

Extended data:

Drainage system in ancient buildings;

With the help of the terrain, the accumulated water is discharged. Among the ancient buildings in Beijing, the only ancient drainage system still in use is the drainage system of the Forbidden City. Experts found that the ancient drainage system attached great importance to the use of topography. According to Dan Jixiang, president of the Palace Museum, the ground of the Palace Museum conforms to Beijing's geographical environment;

The general trend is also high in the north and low in the south, high in the middle and low on both sides, with a slight slope. Among them, the horizontal elevation of Shenwumen in the north gate of the Forbidden City is 46.05 meters, and that of Wumen in the south gate is 44.28 meters, with a vertical horizontal height difference of about 2 meters. This slope creates favorable conditions for natural drainage, so that accumulated water can be discharged slowly.

Baidu encyclopedia-Guo

China News Network-The rainproof concept of ancient buildings is ingenious, and it is ingenious everywhere.