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The major construction of maximum span railway arch bridge has been finished in Baoshan, Yunnan, China on December 30, 2019. The Lancang River Railway Bridge is an arch bridge connecting the cities of Baoshan and Dali. Once completed, the bridge will be one of the highest in world at 271m (889 ft) above the Lancang River. The bridge's main span will be 342 m (1,122 ft) making it also one of the longest arch bridges ever built. (Photo by Top Photo Corporation/Rex Features/Shutterstock)
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