Scenery of Yamzbog Yumco Lake in SW China's Tibet(1/7)

Bar-headed geese rest near the lakeside of Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region, July 22, 2019. (Xinhua/Jigme Dorje)

Aerial photo taken on July 22, 2019 shows a flock of sheep drinking on the lakeside of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. (Xinhua/Jigme Dorje)

Photo taken on July 22, 2019 shows the scenery of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. (Xinhua/Jigme Dorje)

Aerial photo taken on July 22, 2019 shows a flock of sheep drinking on the lakeside of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. (Xinhua/Jigme Dorje)

Aerial photo taken on July 22, 2019 shows the scenery of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. (Xinhua/Jigme Dorje)

Aerial photo taken on July 22, 2019 shows the scenery of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. (Xinhua/Jigme Dorje)

Aerial photo taken on July 22, 2019 shows the scenery of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. (Xinhua/Jigme Dorje)