China has kicked off its second scientific expedition on the Qinghai-Tibet Plateau.The expedition aims to study changes in climate, biodiversity and environment over the past decades.
Serling Tso, Tibet's largest lake, was chosen as the first stop. In the coming month, more than 100 scientists from the Chinese Academy of Sciences will be sent to the lake area and the source of the Yangtze River. The new expedition will last five to 10 years, and comes after the first scientific expedition on the Tibetan Plateau in the 1970s.