things out he tetraroadorhes highest lysuneoplere ba feet. this base jump will be 25,250 feet and will involve 90 seconds of free fa. i mean, you're higher than most commercial airliners, to be honest. >> that's kind of a bummer. he had to walk. >> he didn't have to it was an expedition. in fact, they had to wait about a week until the weather cleared so it was safe enough they didn't die in the ascent. >> this is the fst exit ever >> it's the tallest ever. in fact, he's breaking his own record by over a thousand feet. he's no stranger to things like this. he's jumped off kilimanjaro. he's sky dived into a volcano. this guy's got experience. here's one more. >> dude, keep going, man. keep flying all the way down. now you don't have to hike down. all your buddies are like, come on. >> it's just the kind of thing a video from red bull. >> that's incredib. >>> sounds lake something is dying, but it's actually a cockatoo. let's see if i can find it. >> that's zoology ph.d. student waing through the streets of melbourne, australia. he wants you to