Tourists pose for photo at Zhagana scenic area in Diebu County of Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 28, 2021. (Xinhua/Du Zheyu)
Aerial photo taken on Aug. 28, 2021 shows the scenery at Zhagana scenic area in Diebu County of Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province. (Xinhua/Du Zheyu)
