Construction of the second half of the Datong-Qinhuangdao Railway in North China is in full swing.About 30,000 workers are engaged in the project which covers a distance of 242 kilometres from...
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Construction of the second half of the Datong-Qinhuangdao Railway in North China is in full swing.About 30,000 workers are engaged in the project which covers a distance of 242 kilometres from...