Ruogaier-Flower Lake Scientific Research Station: Researchers detects the discharge of methane gas. (CRI/Chen Jiadi)

Sichuan Ruoergai Wetland National Nature Reserve is the largest alpine peat marsh in the world as well as a tundra wetland located in the upstream area of the Yellow River and the northeast of Qinghai. Driving towards north from Chengdu for about 500 kilometers, you will arrive at the most beautiful wetland in China. The breathtaking scenery at Ruoergai is the result of well environmental protection from the government and the people in this area. Ruoergai is the one and only in China, and should be well protected and reserved.