Builders work at the construction site of the Huaihe River bridge of Shangqiu-Hefei-Hangzhou high-speed railway in east China's Anhui Province, Nov. 17, 2018. The 794.55-kilometer railway will link Shangqiu in central China's Henan Province, Hefei, capital of east China's Anhui Province, and Hangzhou, capital of east China's Zhejiang Province. (Xinhua/Liu Junxi)