he's not just doing parkour. we've seen parkour.ing parkour on slippery, icy, snowy surfaces on ice skates. this guy pretty much does it all. >> notice all the snow stuck to his clothing too which gives you an idea how cold it is too. >> remember this video, we had several months ago here on "right this minute," the parkour real-life assassin crede individual. >> this was really need. >> that's ronnie. this isn't just about showing people what he can do. he does parkour video tutorials to teach other people. a youtube channel called ronnie street stunts and he joins us via skype "right this minute" from utah. welcome to the show. how can you teach this to other people using individuals. >> really it comes down to simple basic things like climbing a fence or doing a s summer salt and progress from it. i happen to take it farther, working with ice and snow and slippery surfaces. it's all about body control. i have to spend a lot of time training so i can do those safely. i've never received any serious injuries because i've trained it

somewhere on this building and it looks like he is about to jump, like he is going to do something parkour oh. >> don't do it. don't do it. >> trying to jump to the sun roof? >> let's see. >> do it, do it, do it. >> oh, boy. >> what was he trying to do? >> what the -- >> why did he fall like that? >> i don't think he was trying to climb in the sun roof. the sun roof is closed. you can tell by his foot it is not going down. >> he didn't even jump. it is like his feet were tacked to the roof there. it is like he was talking to the guy and like what did you say, i can't hear you, what, what, and leans over and fell. now you have a dented car and a smashed face. and a dent in your pride. >> why did he fall like that? >> in the slowest video yet, the slow-mo guys show us 18,000 frames per second. they are using the amazing fant only camera and they blow a bubble and use a stick to burst it. >> you know what is cool, you can see the bubble react to the air that the stick is pushing towards the bubble. that's crazy. >> and of course when the stick hits it, it breaks but you see the trajectory. it