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Riders steer their bikes on a cobblestone-paved section during the 112th edition of the Paris-Roubaix cycling classic, a 257 kilometer (159,69 mile) one day race, of which 51,1 kilometers (31,7 miles) are run on cobblestones, at the velodrome in Roubaix, northern France, on Sunday, April 13, 2014. (AP Photo/Thibault Camus)