I often walk past these guys on my way home. This sort of energetic behaviour is too tiring for me nowadays*.
[youtube=http://www.youtube.com/watch?v=p1pxvlRszzo]
(* Disclaimer: I’ve only ever done this sort of thing while playing ‘Prince of Persia’ on a console. I once managed to injure myself doing beginners’ yoga - jumping up walls in real life would kill me)
