2013 Canadian Grand Prix practice session photos Photo 101 of 107
Force India's Paul di Resta was the surprise pacesetter in an opening practice session at the 2013 Canadian Grand Prix on Friday that was marked by continually changing track conditions.
Circuit Gilles-Villeneuve, Montréal, Québec, Canada June 7, 2013, 5:36 p.m. Sebastian Vettel, Red Bull Infiniti Auto123.TV 2013 Photographer: Philippe Champoux | © auto123.com