Aerial photo taken on April 18, 2018 shows Kanbula national park in Huangnan Tibetan Autonomous Prefecture, northwest China's Qinghai Province. (Xinhua/Zhang Hongxiang)
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Aerial photo taken on April 18, 2018 shows Kanbula national park in Huangnan Tibetan Autonomous Prefecture, northwest China's Qinghai Province. (Xinhua/Zhang Hongxiang)