China launches scientific expedition at Yangtze headwaters

Ren Feipeng (R) and Yuan Zhe, members of a scientific expedition from Changjiang River Scientific Research Institute (CRSRI) of the Changjiang Water Resources Commission, distinguish species in Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province, Aug. 8, 2019. Chinese scientists recently launched a scientific expedition in the headwater region of the Yangtze River, China's longest river, aiming to explore the water resources and ecology in the region. (Xinhua/Wu Gang)