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Passengers take a driverless train of the newly-opened Sydney Metro Northwest at Chatswood Station in Sydney, Australia, May 26, 2019. Sydney's new driverless northwest Metro opened on Sunday. (Xinhua/Bai Xuefei)
Sydney's new driverless northwest Metro opens
Source: Xinhua| 2019-05-27 07:33:32|Editor: Shi Yinglun
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