Heights are my biggest fear. There is no way I could possibly do this and I applaud anyone who can. These guys are insane. Take a look at the awesome shots of these crazy climbers.
Photo Credits - Zach Dischner, Maria Ly, Lara Danielle, Alex Indigo, Ricardo Samaniego, Hagbard, ground.zero, Tony Puyol.
via - photographyblogger.com