An aerial drone photo taken on July 1, 2025 shows the construction site of an expressway linking Yufeng and Yizhou in south China's Guangxi Zhuang Autonomous Region. The expressway linking Yufeng and Yizhou in Guangxi, constructed by China Railway 20th Bureau Group Co., Ltd., is over halfway complete. (Photo by Zheng Changhao/Xinhua)

Construction labours are engaged in site operations at the construction site of an expressway linking Yufeng and Yizhou in south China's Guangxi Zhuang Autonomous Region, July 1, 2025. The expressway linking Yufeng and Yizhou in Guangxi, constructed by China Railway 20th Bureau Group Co., Ltd., is over halfway complete. (Xinhua/Huang Xiaobang)

Construction labours are engaged in site operations at the construction site of an expressway linking Yufeng and Yizhou in south China's Guangxi Zhuang Autonomous Region, July 1, 2025. The expressway linking Yufeng and Yizhou in Guangxi, constructed by China Railway 20th Bureau Group Co., Ltd., is over halfway complete. (Xinhua/Huang Xiaobang)