Autumn is the most beautiful season of the redwood forest, orange with red, red with yellow, trees next to the trees, branch after branch, the forest is all dyed, in a different form of the region in the mountains, or down the mountain, as if the flow of paint; or with the green forest, or with the prairie as a companion, constantly in the Alpine community combination of psychedelic tone. Every year from mid-october to November, Qiaoqi Tibetan Shenmulei tourist area of the opening of the Red Leaf Festival, lasting 30 days.