If you’ve been watching television lately, you’ve probably seen the Citibank commercial where a very brave young woman free-climbs up to the top of a very tall rock formation. For thrill-seekers, it’s exciting; for ground-dwellers like us, it is terrifying, even nauseating to watch. But there’s one question we all have: is it real? CNN has answered the thousands of requests and Google searches for insight into this woman and… Yes Virginia, it’s real. Check out their awesome profile on Katie Brown who is a professional rock climber in real life. Also, the catchy song playing in the background is appropriately called "