WeeklyPetroRio gets hands-on at PolvoBrazilian NGO and Olympic judoka grapple with workers on Campos basin platformPetroRIo workers meet Judo master and Brazilian gold medalist Flavio Canto and youngsters from Instituto Reacao NGO on board the Polvo platform in Brazil's Campos basin in an event intended give PetroRio offshore workers contact with the work done by the NGO. The NGO, which has Canto has one of its directors, teaches judo in the favela slums of Rio de Janeiro, teaching young people discipline and training potential champions Received July 2017. Photo: GARETH CHETWYNDGareth Chetwynd