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Graffiti is arguably the most accessible form of visual art, as colorful murals and tags are an integral part of the urban landscape. Some superstars in the genre have successfully made the transition from the streets to fine art galleries — making hundreds of thousands of dollars in the process. Whether you think graffiti is fine art or one step above vandalism, there’s no denying the skills and creativity involved. The best street artists have an impressive ability to communicate their message in the grittiest of environments.