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Astana's Italian cyclist Fabio Aru celebrates as he crosses the finnish line of the 20th Stage of the 2015 Vuelta Espana cycling tour, a 175,8km route between San Lorenzo del Escorial and Cercedilla on September 12, 2015. AFP PHOTO/ JAIME REINA (Photo credit should read JAIME REINA/AFP via Getty Images)

Astana's Italian cyclist Fabio Aru celebrates as he crosses the finnish line of the 20th Stage of the 2015 Vuelta Espana cycling tour, a 175,8km route between San Lorenzo del Escorial and Cercedilla on September 12, 2015.   AFP PHOTO/ JAIME REINA        (Photo credit should read JAIME REINA/AFP via Getty Images)