'Don't put your head underwater': visitors warned over Olympics pollution - The Guardian

The Guardian
'Don't put your head underwater': visitors warned over Olympics pollution
The Guardian
People enter the water for a morning swim on Copacabana beach. AP tests have indicated tourists could face serious health risks at the famous destination. Photograph: Felipe Dana/AP. Associated Press in Rio de Janeiro. Monday 1 August 2016 11.34 EDT ...
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