A drone photo shows staff members working on a power transmission line in Fengyang County, east China's Anhui Province, June 11, 2025. The 500 kV power transmission project from Xiangjian to Ludao in Anhui Province successfully completed the Huaihe River crossing on Wednesday. The two 193-meter towers on both sides of Huaihe River have realized a tremendous crossing distance of 1,578 meters. (Photo by Zhao Xianfu/Xinhua)

A drone photo shows staff members working on a power transmission line in Fengyang County, east China's Anhui Province, June 11, 2025. The 500 kV power transmission project from Xiangjian to Ludao in Anhui Province successfully completed the Huaihe River crossing on Wednesday. The two 193-meter towers on both sides of Huaihe River have realized a tremendous crossing distance of 1,578 meters. (Photo by Zhao Xianfu/Xinhua)

A drone photo shows staff members working on a power transmission line in Fengyang County, east China's Anhui Province, June 11, 2025. The 500 kV power transmission project from Xiangjian to Ludao in Anhui Province successfully completed the Huaihe River crossing on Wednesday. The two 193-meter towers on both sides of Huaihe River have realized a tremendous crossing distance of 1,578 meters. (Photo by Zheng Xianlie)

A drone photo shows staff members working on a power transmission line in Fengyang County, east China's Anhui Province, June 11, 2025. The 500 kV power transmission project from Xiangjian to Ludao in Anhui Province successfully completed the Huaihe River crossing on Wednesday. The two 193-meter towers on both sides of Huaihe River have realized a tremendous crossing distance of 1,578 meters. (Xinhua/Liu Junxi)

A drone photo shows staff members working on a power transmission line in Fengyang County, east China's Anhui Province, June 11, 2025. The 500 kV power transmission project from Xiangjian to Ludao in Anhui Province successfully completed the Huaihe River crossing on Wednesday. The two 193-meter towers on both sides of Huaihe River have realized a tremendous crossing distance of 1,578 meters. (Xinhua/Liu Junxi)

A drone photo shows staff members working on a power transmission line in Fengyang County, east China's Anhui Province, June 11, 2025. The 500 kV power transmission project from Xiangjian to Ludao in Anhui Province successfully completed the Huaihe River crossing on Wednesday. The two 193-meter towers on both sides of Huaihe River have realized a tremendous crossing distance of 1,578 meters. (Xinhua/Liu Junxi)

A drone photo shows staff members working on a power transmission line in Fengyang County, east China's Anhui Province, June 11, 2025. The 500 kV power transmission project from Xiangjian to Ludao in Anhui Province successfully completed the Huaihe River crossing on Wednesday. The two 193-meter towers on both sides of Huaihe River have realized a tremendous crossing distance of 1,578 meters. (Photo by Zheng Xianlie)