Aerial photo taken on July 16, 2017 shows the scenery of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. The Yamzbog Yumco Lake is one of the region's three largest sacred lakes. [Photo/Xinhua]
Photo taken on July 16, 2017 shows the scenery of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. The Yamzbog Yumco Lake is one of the region's three largest sacred lakes. [Photo/Xinhua]
Bar-headed geese are seen at the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region, July 16, 2017. The Yamzbog Yumco Lake is one of the region's three largest sacred lakes. [Photo/Xinhua]
Photo taken on July 16, 2017 shows the scenery of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. The Yamzbog Yumco Lake is one of the region's three largest sacred lakes. [Photo/Xinhua]
Photo taken on July 16, 2017 shows the scenery of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. The Yamzbog Yumco Lake is one of the region's three largest sacred lakes. [Photo/Xinhua]
Sheep graze on the grassland by the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region, July 16, 2017. The Yamzbog Yumco Lake is one of the region's three largest sacred lakes. [Photo/Xinhua]
Photo taken on July 16, 2017 shows the scenery of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. The Yamzbog Yumco Lake is one of the region's three largest sacred lakes. [Photo/Xinhua]
Aerial photo taken on July 16, 2017 shows the scenery of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. The Yamzbog Yumco Lake is one of the region's three largest sacred lakes. [Photo/Xinhua]
Photo taken on July 16, 2017 shows the scenery of the Yamzbog Yumco Lake in Nagarze County of Shannan, southwest China's Tibet Autonomous Region. The Yamzbog Yumco Lake is one of the region's three largest sacred lakes. [Photo/Xinhua]