My brother-in-law has climbed that ridge, and says that with ropes and proper climbing gear, it was scary as hell - so on a MTB!
The guy is a certified nutter - but what amazing things he's done with that.
Assuming the flying shots were done using mini-copters - really amazing way to show the scale and perspective
I have a buddy who flies RC aircraft, who is dying to get into all that new 'drone' stuff - might have to have a play, with him doing the flying.
Could get some unique views of the landscape - and might lend itself to small, lighter weight mirror less cameras.