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Passengers enter Chatswood Station of the newly-opened Sydney Metro Northwest, in Sydney, Australia, May 26, 2019. Sydney's new driverless northwest Metro opened on Sunday. (Xinhua/Bai Xuefei)
Passengers enter Chatswood Station of the newly-opened Sydney Metro Northwest, in Sydney, Australia, May 26, 2019. Sydney's new driverless northwest Metro opened on Sunday. (Xinhua/Bai Xuefei)