Every day two bullet trains race from Beijing to Dandong, on China’s border with North Korea, at speeds approaching 250 kilometres per hour. If the line continued south, they could reach Pyongyang within one hour and Seoul within two.
每天有两列高铁从北京开往中朝边境的丹东市，列车时速约250公里。如果铁路线向南延伸，1小时可抵平壤，2小时到达首尔。
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