The best of the best in street skating descended upon Hart Plaza for the first day of practice at Red Bull Hart Lines. Watch and listen as Felipe Gustavo sizes up the burly features in preparation for the contest. _ Experience the world of Red Bull like you have never seen it before. With the best action sports clips on the web and original series, prepare for your "stoke factor" to be at an all time high. See into our world: http://goo.gl/J49U Red Bull on Facebook: http://win.gs/redbullfb Red Bull on Twitter: http://win.gs/redbulltwitter Subscribe to Red Bull on Youtube: https://www.youtube.com/user/redbull?sub_confirmation=1 Get a FREE SUBSCRIPTION to our magazine here (US only): http://win.gs/ytfree Sign up for our Newsletter here: http://win.gs/RedBullNewsletter