Photo taken on Sept. 20, 2011 shows painted rhinoceros made of recycled materials at a street exhibition in Avenue Paulista of southeast Braizil's Sao Paulo. The exhibition, named "Rino Mania" and sponsored by Duratex, the largest producer of wood panels in the Southern Hemisphere, displayed 60 rhinoceros painted by artists selected from Facebook. [Xinhua/Agencia Estado]