A man waves good-bye to passengers on a train at a railway station in Beijing, Jan. 13, 2017. China entered its peak travel period on Friday in the lead-up to this most important festival. A total 2.98 billion trips will be made nationwide during the annual travel peak, which lasts from Jan 13 to Feb 21, up 2.2 percent year-on-year. (Photo: China News Service/Jin Shuo)
