Photo taken on May 21, 2017 shows towering trees in a scenic spot at Tongdian Township in Lanping Bai and Pumi Autonomous County, southwest China's Yunnan Province. Lanping is located in the core area of the Three Parallel Rivers area, a world heritage site that includes sections of the Jinsha, Nujiang and Lancang rivers, with well-protected ecological environment. (Xinhua/Yang Zongyou)
