In this photo taken Thursday, June 18, 2020, work to expand the BNSF Southern Transcon mainline from one to two tracks progresses near Matfield Green, Kan. More than a century after the arrival of railroads to the Flint Hills of Kansas, a large-scale track expansion is tearing up a scenic stretch in some of the last remaining tallgrass prairie left in the nation. (AP Photo/Charlie Riedel)
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