Passengers sit in a train at the Qinghuayuan Railway Station in Beijing, Oct. 31, 2016. Qinghuayuan Railway Station, one stop of the old railway between Beijing and Zhangjiakou, will close from Nov. 1 as a new Beijing-Zhangjiakou high-speed railway is under construction. The new railway will link Beijing's Yanqing district and Chongli county of Zhangjiakou, the host city for the 2022 Winter Olympics. (Xinhua/Xing Guangli)