I used to do that.
There was some charity anti-landmine thing recently where a parkour chappie was to cross the whole of London without touching the ground.
(
chenobble rocking his explorer beard on,
Wed 12 Dec 2007, 11:44,
archived)
I bet I'd beat him.
(
Captain Wow currently being a cunt in Infamous,
Wed 12 Dec 2007, 11:48,
archived)