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A man prepares to get on a driverless bus in northern Stockholm, capital of Sweden, on Jan. 24, 2018. The driverless bus, the first of its kind in Scandinavia, has no steering wheel, and runs at a speed of 20 kilometers an hour, using GPS and sensors to ensure it follows the current route. A staff member is on board to take control of the bus in case of emergency. (Xinhua/Wei Xuechao)
