Blue sheep are seen at the Gangbug Glacier in Shannan Prefecture, southwest China's Tibet Autonomous Region, Jan. 19, 2017. (Xinhua/Purbu Zhaxi)
Blue sheep are seen at the Gangbug Glacier in Shannan Prefecture, southwest China's Tibet Autonomous Region, Jan. 19, 2017. (Xinhua/Purbu Zhaxi)
Blue sheep are seen at the Gangbug Glacier in Shannan Prefecture, southwest China's Tibet Autonomous Region, Jan. 19, 2017. (Xinhua/Purbu Zhaxi)
Blue sheep are seen at the Gangbug Glacier in Shannan Prefecture, southwest China's Tibet Autonomous Region, Jan. 19, 2017. (Xinhua/Purbu Zhaxi)
Blue sheep are seen at the Gangbug Glacier in Shannan Prefecture, southwest China's Tibet Autonomous Region, Jan. 19, 2017. (Xinhua/Purbu Zhaxi)
Blue sheep are seen at the Gangbug Glacier in Shannan Prefecture, southwest China's Tibet Autonomous Region, Jan. 19, 2017. (Xinhua/Purbu Zhaxi)
Blue sheep are seen at the Gangbug Glacier in Shannan Prefecture, southwest China's Tibet Autonomous Region, Jan. 19, 2017. (Xinhua/Purbu Zhaxi)
Blue sheep are seen at the Gangbug Glacier in Shannan Prefecture, southwest China's Tibet Autonomous Region, Jan. 19, 2017. (Xinhua/Purbu Zhaxi)
