Environment
American scientist George Schaller is no stranger to the cold and wildness of the Qinghai-Tibet Plateau. Wearing a down jacket and always holding a notebook, the 86-year-old returned to his research on the plateau last month.
George Schaller walks by a lake in Baiyu Township of Jiuzhi County in Guoluo Tibetan Autonomous Prefecture, northwest China's Qinghai Province, May 24, 2019. [Photo/Xinhua]
