this is known as python pool. >> tell me there are no pythons in the pool. >> let's hope not. >> and then you see kyle go for the leap. >> oh, boy. >> that did not sound good. >> there's a reason that did not sound good. he rotated a little too far and went in kind of butt end, back first. he immediately lost his memory, fractured his sternum and broke hisback. too high. like hitting a brick wall. >> right. now watch this. you see him right there trying to tread water. he's yelling, according to the poster, the video, help me, help me, help me. his buddy jumps in. swims to him. brings him to shore. >> wow. can you imagine the excruciating pain? that may be why he doesn't remember. his body was in so much shock. >> i'm going to stop recording because this is pretty bad. >> this is a national park area and officials in this area said this guy is really lucky that he didn't die. that that cliff is, in fact, just too high to jump from. even officials don't know what exactly is underneath there. there could be logs, jagged rocks. not the place you want to be jumping. >>> the woman in this