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China's first unmanned sky train rolls off production line
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Two workders check the inside of China's first unmanned "sky train" that rolled off the production line in Ziyang, Southwest China's Sichuan province, Dec 8, 2016. [Photo/Chinanews.com] |
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Two workders check the inside of China's first unmanned "sky train" that rolled off the production line in Ziyang, Southwest China's Sichuan province, Dec 8, 2016. [Photo/Chinanews.com] |