US EUROPE AFRICA ASIA 中文
China / Society

Train conductor sends Spring Festival goers safely on their way

By PENG YINING (chinadaily.com.cn) Updated: 2016-02-03 12:04
Train conductor sends Spring Festival goers safely on their way

Facing a wall of monitors, Zhang says he can track the location, speed and status of all trains in the system. [Photo by Zou Hong/China Daily]

Highlights
Hot Topics
...
精品无码久久久久久尤物,99视频这有这里有精品,国产UU精品无码视频,女同精品一区二区网站