China's first driverless subway train on exhibition (1/5)

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]