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

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

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.

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.

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