Former Brazilian President Luiz Inacio Lula da Silva reacts after presenting his testimony at the Federal Court of Curitiba, in Curitiba, Brazil, on May 10, 2017. Brazil's sweeping investigation into the Petrobras corruption ring, named Operation Lava Jato (Car Wash), reached new heights of media and public attention on Wednesday as former President Luiz Inacio Lula da Silva was interrogated by judge Sergio Moro. (Xinhua/Andrei Leonardo Pacher/AGENCIA ESTADO)
