This aerial photo taken on Feb. 17, 2023 shows the construction site of Wujiang grand bridge, a main project on the expressway linking Dejiang and Yuqing, in southwest China's Guizhou Province. The bridge, located at the junction of Sinan, Shiqian and Fenggang counties of Guizhou Province, features a length of 1,834 meters and a span of 504 meters. (Xinhua/Tao Liang)