(250514) -- PINGTANG, May 14, 2025 (Xinhua) -- An aerial drone photo taken on May 12, 2025 shows the construction site of a bridge (R, bottom) along the Guiyang-Pingtang expressway in southwest China's Guizhou Province. With a designed speed of 100 km per hour, the Guiyang-Pingtang expressway in Guizhou has a total length of 174.018 km. According to the current progress of the project, the construction of the expressway is expected to be completed by the end of this year. (Xinhua/Tao Liang)