You're you. You have your two hands and two feet and a camera. That's it. Can you climb up a freaking skyscraper without any protective gear, safety net, rope, and whatever else sane people use when they climb? This guy did.
The video does a really good job at capturing the squeamish fear cum adrenaline rush of the situation. He's apparently climbing the Red Gates Administrative Building, one of the seven Stalin Skyscrapers in Moscow. I'm going to throw up now. [The Awesomer]
And here are some people climbing a bridge in Moscow. Not sure what's up with Russia right now but it's great for their YouTube accounts.