By Nathan M. Walters, Contributing Reporter
RIO DE JANEIRO, BRAZIL - The idea of street art generally means just that, art that uses public structures as a canvas for different media. However, there are innovative spaces in Rio that have been bringing some of the the most exciting street artists into the gallery environment, displaying what was once solely public art, for sale.
Because some pieces of art on the street are so nice, people want to take them home and enjoy them, or hold on to them in the hope they appreciate in value.
Theft of street art pieces is . . .