Crikey, my knees went weak just watching this..!

‘I’m scared of heights,’ he says!

The blub says:

‘Limits do not exist for BMX rider and Red Bull athlete Kriss Kyle who has achieved something seemingly impossible. With a skatepark suspended from one of the world’s largest hot-air balloons, Kriss Kyle floats over 2,000 feet above ground, showcasing an array of tricks suspended in mid-air for his latest pioneering BMX film.’

Two videos here, the first is shorter and edited well, the other longer.