. >> very gotham city, very batman looking. >> pretty cool. >> this is one of the creepiest one. we've seen this sort of thing before where they sort of walk across one of the limbs of the crane. >> a rounded beam and not even a flat surface. >> this is cool, as they are going on that beam, that rounded beam, they start panning out and you get a very solid idea of just how far up these guys are. yeah, look at that one. look at this. he's hanging on one arm. look. going down. he starts swinging and then he lets go. >> oh. yeah. >> and he looked down. he looks down. he's not afraid to look down at the street and hundreds of feet below. >>> let's celebrate by giving an ipad mini. > we'll be doing that in just a little bit we'll beelling ywin. >> the buzzword is coming up and you have to be 18 years or older and a u.s. resident to enter. >> it's your "rtm" ipad giveaway coming up in a little bit. >>> just when you think you've seen it all coming out of dash cams, these videos both involve trams. keep your eye on this go right here a pedestrian about to cross the street. look closely,