Rio 2016 Olympics: 'Water polluted for Games'
The BBC has seen evidence which suggests that Rio de Janeiro's water will not be as clean as officials claim for the 2016 Olympic Games.
The BBC's South America correspondent Wyre Davies reports.
The BBC has seen evidence which suggests that Rio de Janeiro's water will not be as clean as officials claim for the 2016 Olympic Games.
The BBC's South America correspondent Wyre Davies reports.