Visitors experience China's first driverless subway train on display at Rail+Metro China 2014 in Shanghai, June 17, 2014. The unmanned train rolled out by CNR Changchun Railway Vehicles Co., LTD operates automatically without a driver. The warning device installed on the train can communicate with passengers on board in case of an emergency. [Photo/Xinhua] |
Chongqing marks World Skin Health Day |
Bus stop board in Zhengzhou city |
Manufacturer unveils Maglev vehicle |
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