the dumont dunes, to be specific. he's got his wings. >> oh! massive sand dunes and just sending it big. huge air tom gets off these dunes. >> like mother nature has sculpted a playground for him. perfect. >> carving these huge bowls around in the sand. makes it look like so much fun. he's launching the bike easily and landing without fail, huge down right there. going up the hill, going sideways, looks back. i love it. >> all right. students, class is in session. >> okay, professor daily. >> first let's go over things that go on a leash. >> dogs. >> these days folks put cash on leashes, too. a a bumblebee on a leash. in this case the professor has it on a string. this is engineering class and this is professor at clemson university doing a lecture. >> good boy. >> as he moves around, the bee moves around. this is not a new phenomenon. when we searched in youtube, looks like folks have been putting these on strings and leashes for quite some time and the initial question is, how does it even get there? looks like they temporarily freeze the bee,