Throughout the Bonnarroo grounds are giant walls that artists are supposed to draw on.
Some people draw really cool things like this monkey riding a cat.
Non-artists write other things...
The grounds are also RIDICULOUSLY dusty, so the cars get really dirty. This is what people write on those:
There's a big wall where everyone puts what they want to do before they die. Here are some things they wrote:
There was a bunch of Kanye West-related graffiti:
And there was also a movement to get Beyonce nominated for President.