This aerial photo taken on Dec. 28, 2022 shows a view of the Ganxi grand bridge in Guiding County, southwest China's Guizhou Province. Spanning a length of 1,220 meters, Ganxi grand bridge, part of Guiyang-Huangping Expressway, was completed and opened to traffic on Wednesday. (Xinhua/Yang Wenbin)

This aerial panoramic photo taken on Dec. 28, 2022 shows a view of the Ganxi grand bridge in Guiding County, southwest China's Guizhou Province. Spanning a length of 1,220 meters, Ganxi grand bridge, part of Guiyang-Huangping Expressway, was completed and opened to traffic on Wednesday. (Xinhua/Yang Wenbin)

This aerial photo taken on Dec. 28, 2022 shows vehicles running on the Ganxi grand bridge in Guiding County, southwest China's Guizhou Province. Spanning a length of 1,220 meters, Ganxi grand bridge, part of Guiyang-Huangping Expressway, was completed and opened to traffic on Wednesday. (Xinhua/Yang Wenbin)

This aerial photo taken on Dec. 28, 2022 shows vehicles running on the Ganxi grand bridge in Guiding County, southwest China's Guizhou Province. Spanning a length of 1,220 meters, Ganxi grand bridge, part of Guiyang-Huangping Expressway, was completed and opened to traffic on Wednesday. (Xinhua/Yang Wenbin)

This aerial photo taken on Dec. 28, 2022 shows vehicles running on the Ganxi grand bridge in Guiding County, southwest China's Guizhou Province. Spanning a length of 1,220 meters, Ganxi grand bridge, part of Guiyang-Huangping Expressway, was completed and opened to traffic on Wednesday. (Xinhua/Yang Wenbin)

This aerial photo taken on Dec. 28, 2022 shows vehicles running on the Ganxi grand bridge in Guiding County, southwest China's Guizhou Province. Spanning a length of 1,220 meters, Ganxi grand bridge, part of Guiyang-Huangping Expressway, was completed and opened to traffic on Wednesday. (Xinhua/Yang Wenbin)

This aerial photo taken on Dec. 28, 2022 shows a view of the Ganxi grand bridge in Guiding County, southwest China's Guizhou Province. Spanning a length of 1,220 meters, Ganxi grand bridge, part of Guiyang-Huangping Expressway, was completed and opened to traffic on Wednesday. (Photo by Deng Gang/Xinhua)

This aerial photo taken on Dec. 28, 2022 shows vehicles running on the Ganxi grand bridge in Guiding County, southwest China's Guizhou Province. Spanning a length of 1,220 meters, Ganxi grand bridge, part of Guiyang-Huangping Expressway, was completed and opened to traffic on Wednesday. (Photo by Deng Gang/Xinhua)