This is probably the best example we've come across so far of... balls.
Balls as in large testicles, not rubbish.
Sometimes to create art one has to go where other people fear to tread. Well, Rich Fuller, you have surpassed yourself here. Obviously we cannot condone such irresponsible behaviour but we're sure you took all necessary precautions when staring down the grills of the oncoming traffic.
This deserves some kind of medal, perhaps one of those plastic ones they give out at Legoland after you've panned for gold.