Photo taken on Jan. 18, 2017 shows the Yuantong Bridge across the Yellow River in Lanzhou, capital of northwest China's Gansu Province. The 459-meter-long bridge was put into operation on Wednesday. (Xinhua/Fan Peishen)
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Photo taken on Jan. 18, 2017 shows the Yuantong Bridge across the Yellow River in Lanzhou, capital of northwest China's Gansu Province. The 459-meter-long bridge was put into operation on Wednesday. (Xinhua/Fan Peishen)
