Photo taken on June 21, 2017 shows the scenery of Zhagana mountains in Diebu County, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province. Zhagana is a mountainous region on the northeastern rim of the Tibetan Plateau, with an average altitude of 3,500 meters. The region has a unique cultural and natural landscape featuring Tibetan-style villages, primitive forests and mountains. (Xinhua/Chen Bin)
