You have to look for the hints and learn what not to look at. You have to cut out all the extras and find the letter forms. It's pretty impossible to read. Many graffiti artist end up becoming graphic artists. Such is the case with an artist named Zero-a former Knoxville resident who has since moved to San Francisco.
Some graffiti artists travel around the country by hopping trains, painting along the way.
As a result, a lot of graffiti is found in train yards. Artist frequently sign thier area code to identify thier home region, Music says. Some graffiti does include figures or abstract forms. A parody piece underneath the 640 bridge shows Santa Claus holding a decapitated body and a demonic snowman holding a child's head. The sides of the tracks are littered with empty spray cans.