Brazilian artist Fernando de la Rocque stands in front of some of 

Brazilian artist Fernando de la Rocque stands in front of some of their pieces of art at the La Cucharacha, a small alternative gallery in the stylish, in Rio de Janeiro, Brazil, Monday Aug.  20, 2012. Some of Rocque's pot-stained prints are being sold for $2,500 each. It takes him a week to complete a single print blowing about five joints' worth of smoke onto a paper daily.  (AP Photo/Felipe Dana)
Associated Press
Brazilian artist Fernando de la Rocque stands in front of some of their pieces of art at the La Cucharacha, a small alternative gallery in the stylish, in Rio de Janeiro, Brazil, Monday Aug. 20, 2012. Some of Rocque's pot-stained prints are being sold for $2,500 each. It takes him a week to complete a single print blowing about five joints' worth of smoke onto a paper daily. (AP Photo/Felipe Dana)
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