Libra offshore oilfield

A boy walks past military police standing guard outside the seafront Windsor Barra hotel before the start of an auction of one of the world's biggest offshore oil finds on Monday in Rio de Janeiro, Brazil. Brazil is auctioning its Libra offshore oilfield which holds between 8-12 billion barrels of oil and protesters are demonstrating outside the hotel against the participation of foreign oil companies.

Mario Tama/Getty Images

A boy walks past military police standing guard outside the seafront Windsor Barra hotel before the start of an auction of one of the world’s biggest offshore oil finds on Monday, in Rio de Janeiro, Brazil. Protesters are demonstrating outside the hotel against the participation of foreign oil companies in the sale of the country’s Libra offshore oilfield, which holds between 8bn and 12bn barrels of oil.