Xinhua photos of the day

          Source: Xinhua| 2019-02-21 14:57:13|Editor: Yang Yi
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          XINHUA PHOTOS OF THE DAY

          Engineers with China Railway Zhengzhou Group Co., Ltd use a robot to scan and check a bullet train in Zhengzhou, central China's Henan Province, on Feb. 20, 2019. A growing number of robots are employed in China's railway system to improve efficiency and ensure safety. (Xinhua/Li An)

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