Brazil's national flag decorates the boat used to collect water samples from Guanabara Bay for an ongoing water quality study commissioned by The Associated Press in Rio de Janeiro last month.
Brazil's national flag decorates the boat used to collect water samples from Guanabara Bay for an ongoing water quality study commissioned by The Associated Press in Rio de Janeiro last month. Silvia Izquierdo AP
Brazil's national flag decorates the boat used to collect water samples from Guanabara Bay for an ongoing water quality study commissioned by The Associated Press in Rio de Janeiro last month. Silvia Izquierdo AP

Rio water so bad, expert warns Olympic athletes ‘don't put your head under’

August 01, 2016 12:28 PM

UPDATED August 01, 2016 01:15 PM

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