Photo taken on Jan 30, 2018 shows the construction site of a Yellow River highway-railway bridge linking Sanmenxia of Central China’s Henan province and Pinglu county of North China’s Shanxi province. The 5,663-meter-long bridge is expected to be finished at the end of 2018. [Photo/Xinhua]

Photo taken on Jan 30, 2018 shows the construction site of a Yellow River highway-railway bridge linking Sanmenxia of Central China’s Henan province and Pinglu county of North China’s Shanxi province. The 5,663-meter-long bridge is expected to be finished at the end of 2018. [Photo/Xinhua]

Photo taken on Jan 30, 2018 shows the construction site of a Yellow River highway-railway bridge linking Sanmenxia of Central China’s Henan province and Pinglu county of North China’s Shanxi province. The 5,663-meter-long bridge is expected to be finished at the end of 2018. [Photo/Xinhua]