Greenpeace activists protest against energy auctions to be held in Brazil in the coming days, in Brasilia...
A Greenpeace activist wearing a mask of Brazil's Mines and Energy Minister Edison Lobao stands as others protest against energy auctions to be held in Brazil in the coming days, by dumping charcoal briquette in front of the Ministry of Mines and Energy in Brasilia August 28, 2013. REUTERS/Ueslei Marcelino (BRAZIL - Tags: POLITICS CIVIL UNREST ENERGY BUSINESS)