Dafaqu grand bridge of Renhuai-Zunyi expressway under construction in Guizhou

Aerial photo taken on April 22, 2021 shows an overview of the construction site of the Dafaqu grand bridge of Renhuai-Zunyi expressway in southwest China's Guizhou Province. The bridge, with designed length of 1,427 meters and width of 33 meters, is one of the key projects along the expressway. (Xinhua/Yang Wenbin)