When you see it live, you're much more aware of the scale of things and realise how high/far they actually jump and when you're reasonably close you see how hard they work, too and it's even more remarkable how effortless they make it look.

This was especially fascinating with the guy doing the hand balancing. Thanks to his remarkable physique (and skimpy costume), you could literally see which muscles he was using as he moved from position to position or just kept himself steady.