Sanjiangyuan is regarded as China‘s water tower. People living in Sanjiangyuan have their own explanation of water. In Tibetan culture, water is classified as eight kinds of quality, with water being everywhere in life. This film introduces ways of using water in daily life, the sources of water that are snow water, groundwater and lakes, and medicine springs which can cure diseases. Lakes, streams, springs, and rivers are the breeding grounds of the world.