Swans perch in a lake in Rongcheng, east China's Shandong Province, Nov. 4, 2018. (Xinhua/Wang Fudong)
In pics: autumn scenery across China
In pics: golden monkeys at Yuhe National Natural Reserve in NW China's Gansu
Autumn scenery of Qinglongwan reservoir in east China
Black-headed gulls migrate to Kunming in China's Yunnan
Autumn scenery across China
Salt harvested at Daqinghe sea salt flat in Tangshan, China's Hebei
Scenery of desert poplar trees along Tarim River in China's Xinjiang
No.102 C919 plane to undergo rigorous tests at Nanchang Yaohu Airport