Tianmen grand bridge under construction in China's Guizhou

This aerial drone photo taken on May 28, 2025 shows the Tianmen grand bridge under construction in southwest China's Guizhou Province. The 1,553-meter-long grand bridge is a major project on the expressway linking Anshun and Panzhou in Guizhou. The bridge deck, 560 meters above water surface in the valley beneath it, will allow vehicles to run at 100 kilometers per hour when completed. (Xinhua/Tao Liang)

This aerial drone photo taken on May 28, 2025 shows workers at the construction site of the Tianmen grand bridge in southwest China's Guizhou Province. The 1,553-meter-long grand bridge is a major project on the expressway linking Anshun and Panzhou in Guizhou. The bridge deck, 560 meters above water surface in the valley beneath it, will allow vehicles to run at 100 kilometers per hour when completed. (Xinhua/Tao Liang)

This aerial drone photo taken on May 28, 2025 shows the Tianmen grand bridge under construction in southwest China's Guizhou Province. The 1,553-meter-long grand bridge is a major project on the expressway linking Anshun and Panzhou in Guizhou. The bridge deck, 560 meters above water surface in the valley beneath it, will allow vehicles to run at 100 kilometers per hour when completed. (Xinhua/Tao Liang)

This aerial drone photo taken on May 28, 2025 shows the Tianmen grand bridge under construction in southwest China's Guizhou Province. The 1,553-meter-long grand bridge is a major project on the expressway linking Anshun and Panzhou in Guizhou. The bridge deck, 560 meters above water surface in the valley beneath it, will allow vehicles to run at 100 kilometers per hour when completed. (Xinhua/Tao Liang)

This aerial drone photo taken on May 28, 2025 shows the Tianmen grand bridge under construction in southwest China's Guizhou Province. The 1,553-meter-long grand bridge is a major project on the expressway linking Anshun and Panzhou in Guizhou. The bridge deck, 560 meters above water surface in the valley beneath it, will allow vehicles to run at 100 kilometers per hour when completed. (Xinhua/Tao Liang)

This aerial drone photo taken on May 28, 2025 shows the Tianmen grand bridge under construction in southwest China's Guizhou Province. The 1,553-meter-long grand bridge is a major project on the expressway linking Anshun and Panzhou in Guizhou. The bridge deck, 560 meters above water surface in the valley beneath it, will allow vehicles to run at 100 kilometers per hour when completed. (Xinhua/Tao Liang)

This aerial drone photo taken on May 28, 2025 shows the Tianmen grand bridge under construction in southwest China's Guizhou Province. The 1,553-meter-long grand bridge is a major project on the expressway linking Anshun and Panzhou in Guizhou. The bridge deck, 560 meters above water surface in the valley beneath it, will allow vehicles to run at 100 kilometers per hour when completed. (Xinhua/Tao Liang)

This aerial drone photo taken on May 28, 2025 shows the Tianmen grand bridge under construction in southwest China's Guizhou Province. The 1,553-meter-long grand bridge is a major project on the expressway linking Anshun and Panzhou in Guizhou. The bridge deck, 560 meters above water surface in the valley beneath it, will allow vehicles to run at 100 kilometers per hour when completed. (Xinhua/Tao Liang)

This aerial drone photo taken on May 28, 2025 shows the Tianmen grand bridge under construction in southwest China's Guizhou Province. The 1,553-meter-long grand bridge is a major project on the expressway linking Anshun and Panzhou in Guizhou. The bridge deck, 560 meters above water surface in the valley beneath it, will allow vehicles to run at 100 kilometers per hour when completed. (Xinhua/Tao Liang)