YINCHUAN, June 8, 2016 (Xinhua) -- Passengers prepare to board a train at the railway station in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, June 8, 2016. The number of passengers in Yinchuan railway station increased on Wednesday, one day before the 3-day holiday of the Dragon Boat Festival, or Duanwu Festival. (Xinhua/Peng Zhaozhi)