Carrefour de l'Arbre,France-April 13,2014: A group of three cyclists (John Degenkolb-Giant Shimano,Fabian Cancellara-Trek,Zdenek Stybar-Omega Pharma- Quick Step) riding on the famous cobblestone sector Carrefour de l'Arbre in Camphin-en-Pévèle town during the 2014 edition of Paris-Roubaix cycling race.Degenkolb and Cancellara finished the race second and third.