Aerial shots of traffic flow taken at end of Spring Festival holiday

NANNING, Feb. 12, 2016 -- An aerial photo taken on Feb. 12, 2016 shows vehicles moving slowly on an expressway near Nanning, south China's Guangxi Zhuang Autonomous Region. Highways and railroads across China have seen increasing passenger flow while millions of Chinese return to work as the week-long Spring Festival holiday comes to an end. (Xinhua/Huang Xiaobang)