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                A Special "Gate"

                Source:dahe.cn Published:2020-02-07 13:22

                Railway workers are working overtime to ensure the safety and smooth operation of railway lines, signals and communication equipment in the tunnel in Anyang. [Photo by He Zhiquan/For dahe.cn]

                Railway workers are working overtime to ensure the safety and smooth operation of railway lines, signals and communication equipment in the tunnel in Anyang. [Photo by He Zhiquan/For dahe.cn]

                Railway workers are working overtime to ensure the safety and smooth operation of railway lines, signals and communication equipment in the tunnel in Anyang. [Photo by He Zhiquan/For dahe.cn]

                Railway workers are working overtime to ensure the safety and smooth operation of railway lines, signals and communication equipment in the tunnel in Anyang. [Photo by He Zhiquan/For dahe.cn]


                Editor:Zhao Hanqing

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