Floating through the air with the greatest of ease isn't just for the daring young man on the flying trapeze. Swing, stretch, flip, and fly like Cirque du Soleil contortionists or a certain superhero ...

I've just spent an hour trapped in a room with a woman who I am pretty sure was trying to kill me. Well, I'm almost certain that if I'd followed her instructions to backflip while hanging upside down ...