Aerial photo taken on Jan. 13, 2021 shows the closure site of the main arch ribs of Shawei Zuojiang River Grand Bridge in Fusui County, Chongzuo City, south China's Guangxi Zhuang Autonomous Region. The bridge, designed to be 968.5 meters long with a 360-meter long span, is the world's largest expressway steel-concrete basket arch bridge under construction. (Photo by Lu Wenfei/Guangming Picture)