Brazil's abseiling rubbish collectors

As Brazil prepares to host the 2014 World Cup and 2016 Olympics, a big clean up is underway. But removing the rubbish from the hillsides of the favelas is not an easy task.

As Brazil prepares to host the 2014 World Cup and 2016 Olympics, a big clean up is underway. But removing the rubbish from the hillsides of the favelas is not an easy task.

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