There are many such walls or discreet hidden spots, like tunnels, where the graffiti artists paint for other artists. But painting in wide-open spots where the

There are many such walls or discreet hidden spots, like tunnels, where the graffiti artists paint for other artists. But painting in wide-open spots where the public can judge is just part of the culture. Maybe I should have compared graffiti to the release of Gnutella.