Bear Grylls was (and still may be) the king of crazy stuff. He's made a shelter from a dead camel, repelled raging waterfalls and now he's conquering the urban landscape. The thing to note is he's not actually alone. A crew of safety experts, sound specialists and cameramen are with him every step of the way.
In this video you can see what happens when the activity doesn't go as planned. via Discovery Channel
