Train which runs on virtual railway track
 

http://img-s-msn-com.akamaized.net/t...=f&x=713&y=472A train that runs on virtual rails has been unveiled in China. The Auto**mous Rapid Transit (Art), which was unveiled in the city of Zhuzhou on 2 June, is around 30metres long and is fitted with sensors that detect the dimensions of the road.

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