In pics: construction site of swivel bridge along Guiyang-Nanning High-speed Railway in Guizhou

This aerial photo taken on Aug. 25, 2023 shows the construction site of a swivel bridge along the Guiyang-Nanning High-speed Railway in Gui'an New District, southwest China's Guizhou Province. The girder of this swivel bridge rotated 41 degrees on Friday to its targeted position, successfully crossing the Shanghai-Kunming High-speed Railway which has been open to traffic. (Xinhua/Liu Xu)

This aerial photo taken on Aug. 25, 2023 shows the construction site of a swivel bridge along the Guiyang-Nanning High-speed Railway in Gui'an New District, southwest China's Guizhou Province. The girder of this swivel bridge rotated 41 degrees on Friday to its targeted position, successfully crossing the Shanghai-Kunming High-speed Railway which has been open to traffic. (Xinhua/Liu Xu)

This aerial photo taken on Aug. 25, 2023 shows the construction site of a swivel bridge along the Guiyang-Nanning High-speed Railway in Gui'an New District, southwest China's Guizhou Province. The girder of this swivel bridge rotated 41 degrees on Friday to its targeted position, successfully crossing the Shanghai-Kunming High-speed Railway which has been open to traffic. (Xinhua/Liu Xu)

This aerial photo taken on Aug. 25, 2023 shows the construction site of a swivel bridge along the Guiyang-Nanning High-speed Railway in Gui'an New District, southwest China's Guizhou Province. The girder of this swivel bridge rotated 41 degrees on Friday to its targeted position, successfully crossing the Shanghai-Kunming High-speed Railway which has been open to traffic. (Xinhua/Liu Xu)

This aerial combo photo taken on Aug. 25, 2023 shows the construction site of a swivel bridge along the Guiyang-Nanning High-speed Railway in Gui'an New District, southwest China's Guizhou Province. The girder of this swivel bridge rotated 41 degrees on Friday to its targeted position, successfully crossing the Shanghai-Kunming High-speed Railway which has been open to traffic. (Xinhua/Liu Xu)