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Changling-Yongqing section of China-Russia east-route natural gas pipeline under construction
来源： 编辑：编辑部 发布：2020/05/01 11:41:49
Aerial photo taken on April 30, 2020 shows the construction site of the Changling-Yongqing section of the China-Russia east-route natural gas pipeline in Linghai, northeast China's Liaoning Province. (Xinhua/Yang Qing)