Brazil's President Dilma Rousseff (L) and Brazil's Civil Aviation Minister Moreira Franco react during the signing ceremony of the Rio de Janeiro's international airport concession in Rio de Janeiro, April 2, 2014. Brazilian conglomerate Odebrecht and Singapore's Changi Airport Group won rights to expand and operate Rio's Gale?o airport for 19.018 billion reais ($8.22 billion), nearly four times a minimum bid of 4.8 billion reais. The concession also requires about 5.7 billion reais of additional investments over the next 25 years. REUTERS/Ricardo Moraes (BRAZIL - Tags: POLITICS BUSINESS)