Photo taken on Sept. 8, 2017 shows a scenery of the Jiudian Gorge in Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province. (Xinhua/Chen Yonggang)
Photo taken on Sept. 8, 2017 shows a scenery of the Jiudian Gorge in Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province. (Xinhua/Chen Yonggang)