Tourists take pictures on the banks of Rodrigo de Freitas Lagoon in Rio de Janeiro August 13, 2014. According to local media, the waters of the the lagoon is not suitable for any sporting activities ... more 
Tourists take pictures on the banks of Rodrigo de Freitas Lagoon in Rio de Janeiro August 13, 2014. According to local media, the waters of the the lagoon is not suitable for any sporting activities since July 31 due to pollution. The lagoon is one of the aquatic sports venues for the Rio 2016 Olympic Games. REUTERS/Ricardo Moraes (BRAZIL - Tags: SPORT OLYMPICS ENVIRONMENT TRAVEL) less 
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Reuters | Photo By RICARDO MORAES / REUTERS
Wed, Aug 13, 2014 6:26 PM EDT