Herdsmen perform during a celebration event to greet the Spring Festival, or the Chinese Lunar New Year, in Nagqu, southwest China's Tibet Autonomous Region, Jan. 31, 2017. (Xinhua)
Herdsmen perform during a celebration event to greet the Spring Festival, or the Chinese Lunar New Year, in Nagqu, southwest China's Tibet Autonomous Region, Jan. 31, 2017. (Xinhua)