Photo taken on Nov. 9, 2019 shows the lake scenery in Maduo County, Tibetan Autonomous Prefecture of Golog in northwest China's Qinghai Province. (Xinhua/Zhang Long)

Photo taken on Nov. 9, 2019 shows the lake scenery in Maduo County, Tibetan Autonomous Prefecture of Golog in northwest China's Qinghai Province. (Xinhua/Zhang Long)

Photo taken on Nov. 9, 2019 shows the lake scenery during sunset in Maduo County, Tibetan Autonomous Prefecture of Golog in northwest China's Qinghai Province. (Xinhua/Zhang Long)

Photo taken on Nov. 9, 2019 shows the lake scenery in Maduo County, Tibetan Autonomous Prefecture of Golog in northwest China's Qinghai Province. (Xinhua/Zhang Long)