It's a shame the poster did not credit the name of this 16 year old Polish girl who had worked hard for years to achieve this level of expertise ... Maja Kuczynska.
It's always nice to see new art forms, Video games was the obvius one these last few decades but there's so many others. I suppose it could be considered a subset of dancing, depends on how narrowly you define any particular art type.
She does fall at 0:14, but she recovers so fast that you can barely see it. She first gets pushed upwards, while that she is making herself straight, and recovers right after that when shes falling
I was wondering that as well. I think for these stunts and stuff the fans must be turned up a lot so any surface (Legs in this case can be held up) Not sure though
Just because it was recorded vertically doesn't mean they don't know what they're doing. Think about it logically. What they're recording is a tall tube. What's important for capturing everything in this shot is to have a tall field of view.