
Photo taken on May 1, 2020 shows the construction site of a tied-arch bridge, which is designed to span 128 meters long over the Jianghuai Canal in east China's Anhui Province. (Xinhua/Liu Junxi)

Photo taken on May 1, 2020 shows the construction site of a tied-arch bridge, which is designed to span 128 meters long over the Jianghuai Canal in east China's Anhui Province. (Xinhua/Liu Junxi)