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Trucks conduct a load test on the 1,720-meter Yunwu Bridge of Duyun-Anshun Expressway at Yunwu Town on June 8, 2021 in Guiding County, Qiannan Buyei and Miao Autonomous Prefecture, Guizhou Province of China. The load test used 24 trucks, weighing 35 tons each and 840 tons in total, to check whether the quality and working performance of the bridge are in accordance with the design. The cable towers of the bridge are designed as H-shaped reinforced concrete structures with heights of 273 meters and 300 meters respectively. This is the control project of Duyun-Anshun Expressway. (Photo by Qu Honglun/China News Service via Getty Images)
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