Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)

Photo taken on Sept. 1, 2015 shows an aerial view of Yamzho Yumco Lake in Shannan Prefecture, southwest China's Tibet Autonomous Region. Yamzho Yumco, which in Tibetan means a "jade lake" on high pasture, is considered as one of the three sacred lakes in Tibet (the other two are Nam Co and Mapam Yumco). (Xinhua/Liu Kun)