摘要
The Qinghai-Tibetan Plateau,the highest and largest plateau above sea level,is one of the harshest environments settled by humans.It has a cold and arid environment and its elevation often surpasses 4,000 meters above sea level(masl).The plateau covers a wide expanse of Asia–approximately 2.5 million square kilometers–and is home to over 7 million people,primarily belonging to the Tibetan and Sherpa ethnic groups.
