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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