Aerial photo shows workers laying tracks for the Nanning-Chongzuo high-speed railway in Fusui County of Chongzuo, south China's Guangxi Zhuang Autonomous Region, July 30, 2021. Track-laying for the Nanning-Chongzuo high-speed railway began on Friday. Upon completion, the 119.9-km railway will slash travel time between the cities of Nanning and Chongzuo from two hours to 30 minutes. (Xinhua/Lu Boan)
