Photo sources in order of appearance:

http://www.letour.fr/PHOTOS/PRX/2007/100/CARTE.gif
http://www.tearsforgears.com/2010/04/3-days-cobbles-need-love-too-you-know.html
http://en.wikipedia.org/wiki/File:Paris-Roubaix,_Les_travaux_r%C3%A9alis%C3%A9s_en_2008.jpg
http://api.ning.com/files/kT4nue5aBG5ywYtUKu9jucy7n7uucXTJK6bStLvSjN2dJoOJq8ZOT0fmYhItem59FqQ4KnSCC*RnwtEYXeD6o3BoD*ZZZBw0/BobRollParisRoubaix.jpg
http://www.pezcyclingnews.com/photos/features/books/parisrbx/prbx-arenberg.jpg
http://www.bikerumor.com/wp-content/uploads/2009/08/quickstep-team-paris-roubaix.jpg
http://cdn.mos.bikeradar.com/images/news/2009/04/12/1239548983093-pm63dj67hold-850-65.jpg
http://images27.fotki.com/v990/photos/1/1292031/6131243/oonenCancellaraBallanattack030-vi.jpg
http://velonews.competitor.com/?p=34346
http://www.flickr.com/photos/23913935@N07/3442754548/