Carrefour de l'Arbre,France-April 13,2014: The Slovak cyclist Peter Sagan (Cannondale Team) riding on the famous cobblestone sector Carrefour de l'Arbre in Camphin-en-Pévèle town during the 2014 edition of Paris-Roubaix cycling race.Sagan finished 6th - the best of his performance on this anual race.