23 July 2014 Last updated at 16:20

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More from Latin America

  • El Arrayan wind farm in Chile in August 2014Tapping its potential

    Energy-hungry Chile inaugurates its biggest wind farm

  • Nelida Serpico holds a picture of her son (photo courtesy of Clarin)Never give up

    Mother who spent seven years tracking down her son's killer

  • Pablo MarroquinRighteous rehab

    Guatemala's religious centres that hunt and lock up drug addicts

  • Police officers who are part of Bogota's anti-groping squad pose for pictures in August 2014Hands off

    The police squad fighting groping on Bogota's public transport

  • Chris Stewart of the Buffalo Sabres is Canada-born but of Jamaican descentIcy trials

    Jamaica holds first ever try-outs for a national ice hockey team

  • close up of man's bare legs and feet in brown water, digging the mineFools' gold?

    Venezuela's illegal mines, where malaria is on the rise

  •  Marina Silva speaks during a press conference in Brasilia on 4 October, 2013. Humble origins

    Marina Silva's rise from rubber tapper to presidential candidate

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