Introduction to Sanjiang Ecological Zone: Sanjiang Ecological Zone can be called the Shangri-La of Sichuan, far away from the world, with deep valleys, secluded gorges and beautiful scenery. It is the habitat of the giant panda, a world natural heritage, and the growth area of the world's largest living plant fossil, Davidia involucrata. It also has a well-preserved natural ecology, where Tibetan and Qiang folk culture and the history and culture of the Tea Horse Road are integrated here. Attractions include waterfalls, water prayer wheels, the Ancient Tea Horse Road, Guizhen Spring, Couple Bridge and other attractions.