Carrefour de l'Arbre,France-April 13,2014:The Belgian cyclist Edward Theuns (Topsport Vlaanderen-Baloise Team) riding in front of a group of riders, on the famous cobblestone sector Carrefour de l'Arbre in Camphin-en-Pévèle town during the 2014 edition of Paris-Roubaix cycling race.