The Kaidu River in northwest China's Xinjiang Uygur Autonomous Region is surrounded by trees that have turned yellow in fall.
Originating from the Tianshan Mountains, the river is an important water source for nearby regions. It is also an important area of focus in studies on climate change in northwest China.
(All photographs by Nian Lei)
(If you want to contribute and have specific expertise, please contact us at nature@cgtn.com.)