Children play football after the inauguration ceremony of the new technology pitch installed at Mineira favela in Rio de Janeiro, Brazil, on September 10, 2014. 200 self energy supplied Pavegen panels, invented by British Laurence Kemball-Cook, were installed underground to capture kinetic energy created by the movement of the football players. The energy is stored and combined with solar panels' energy to illuminate the pitch during the night. The new technology pitch was created by oil giant Royal Dutch Shell. AFP PHOTO / YASUYOSHI CHIBA (Photo credit should read YASUYOSHI CHIBA/AFP/Getty Images)
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AFP YASUYOSHI CHIBA