Hongcun Moon Marsh was excavated in the Yongle Period of the Ming Dynasty. It was originally a natural spring that rushed through the winter and summer. It was discovered by Wang Congqi, the ancestor of Hongcun, and the idea of building a water conservancy project around the village was launched. Wang Siqi invited Mr. Feng Shui from Xiuning, who belonged to Huizhou, to study this spring vein and the Feng Shui pattern in the village together with the people in the family. He planned and built the well-known cattle-shaped water system. This project is still popular today. Road. The core of the cow-shaped water system is the current lunar marsh, which is the bovine stomach of the entire water system. The locals also call it cattle belly. The whole cow-shaped water system extends to the outside around the half-moon-shaped pond of the Moon Marsh. When you visit Hongcun, you can listen to the flowing water, such as listening to a beautiful piece of music. Moon is clear to the bottom, reflecting the surrounding Huizhou residences, forming a beautiful style painting. The moon marsh and the water of the cow-shaped water system can be used for fire prevention, and it is also a place for residents in the village to wash vegetables and wash clothes. There are still many aborigines in Hongcun. Every morning, local people can wash clothes or wash vegetables by the moon. This nostalgic scene is hard to see in other places. There are many ancient dwellings around Moonuma, the most representative of which is Wang's total. The lunar marsh is surrounded by stone roads, walking between them, sometimes feeling empty. Because of its unique style, it has become a place for many film and television works. The most famous is the movie Crouching Tiger, Hidden Dragon. In the movie, Chow Yun-fat and Zhang Ziyi passed over the moon marsh.