Passengers and volunteers pose for a group photo in front of a bullet train at the Nanning East Railway Station in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Dec. 28, 2016. The section of Kunmingnan to Bose started operation on Wednesday, marking a full operation of the railway linking Nanning to Kunming, capital of southwest China's Yunnan Province. (Xinhua/Zhou Hua)
