With Rio de Janeiro Olympics set to begin, Guanabara Bay water contaminated with sewage

Brazil’s national flag decorates the boat used to collect water samples from Guanabara Bay for an ongoing water quality study in Rio de Janeiro.

A man washes himself in the polluted waters of Guanabara Bay in Rio de Janeiro.

Boats sit on the polluted shore of Guanabara Bay in the Sao Goncalo suburb across the bay from Rio de Janeiro.

Cars drive above sewage flowing from the suburb of Sao Goncalo into Guanabara Bay, across the bay from Rio de Janeiro.

Houses stand next to the heavily polluted shore of Guanabara Bay in Rio de Janeiro. Just days ahead of the Olympic Games the waterways of Rio are contaminated with sewage.

Australian sailors head out for a training session on Rio de Janeiro’s Guanabara Bay ahead of the 2016 Rio Olympic Games.

View of Marina Da Gloria and the Sugarloaf Mountain, the center stage for the Olympic Games 2016 sailing competitions, at the Guanabara Bay in Rio de Janiero.