Rob Deieso (left) and Adrian D'Alessandro, both of Adelaide, Australia, and Jesse Bull, an economics professor at Florida International University, stop to look at a graffiti-covered wall during a two-hour graffiti tour of the Wynwood neighborhood of Miami. Once derided as vandalism, graffiti in the form of artistic murals has become an accepted art form. Now visitors can take a two-hour tour by Vespa of the area's best graffiti. (Associated Press)
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