. >> real all around, what daung, sir? >> yeah, you can see the guy in the beginning of the video. he's got churning up the gas from underneath. and it's all bubbling to the top. you can see they had to relight the gas too. it would go out eventually, eventually it does. it's a cool trick, but i don't know how safe that water is to play around with. >> all right. this last, certainly not least video number three here. >> i'm throwing knives. hit it, are you ready? >> done. >> [ bleep ]. >> what'd you do? what'd you do? what happened? >> you saw what happened. >> oh my. she's trying to throw knives at the tree and misses and hits these fellas? >> the guy in the background talking on the phone just fell forward. >> there'd be people walking around, they've tried this. fake, totally fake because of the camera movement, purposely bad. the back and forth, get the people on to put in the poster image. fake. >> yeah, totally fake. >> yep, that's fake. >> we say fake, what do you say? >> all right, all right, all right. this video is actually submitted to youtube by students another columb