Trouee d'Arenberg,France - April 12,2015: The breakaway is passing through a crowd of excited spectators in the famous cobblestone road from the forest of Arenberg during the Paris Roubaix 2015 race. The first cyclists are Gijs van Hoecke of Topsport Vlaanderen-Baloise team and Ralf Matzka of Bora-Argon 18 team.