Water pollution, in Rio. 水污染

Shocking new pictures of the filthy waters in Rio have revealed yet more concerns for Olympic athletes in Brazil who have been told not to put their heads under water. And rubbish is so thick in some areas that water is not visible and rats are able to live on top of the disgusting floating debris

Hideous conditions at Rio Olympics' Ganabara Bay where the sailing, swimming and triathlon will be held | Daily Mail Online
Read more: http://www.dailymail.co.uk/news/article-3717326/Rio-Olympics-2016-Sailing-ramp-collapses-one-week-racing-starts.html#ixzz4G6tzlZAd
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In this July 5, 2016 photo, cars drive above sewage flowing from the suburb of Sao Goncalo into Guanabara Bay, across the bay from Rio de Janeiro, Brazil. Throughout Brazil, sewage treatment has lagged dramatically, meaning that so-called ‘black tongues’ of fetid, sewage-filled water are common on beaches across the country. (AP Photo/Felipe Dana)

Water pollution in Rio ahead of the Olympic Games
This July 5, 2016 photo, shows an aerial view of a polluted lagoon near Olympic Park in Rio de Janeiro, Brazil. Promises to clean up Rio’s waterways stretch back decades, with a succession of governors setting firm dates for a cleanup and repeatedly pushing them back. (AP Photo/Felipe Dana)

In this July 5, 2016 photo, aerial view shows polluted water, left, flowing from the Barra channel to the Barra beach in Rio de Janeiro, Brazil. Tourists are unlikely to realize the dangers lurking in the waters and the sands. Signs alerting beachgoers whether waters are considered fit for bathing used to dot showcase beaches, but they’re no longer there. Now, a brief item on the weather page of the local paper lists which beaches the state environmental agency has deemed safe for swimming. (AP Photo/Felipe Dana)
Water pollution in Rio ahead of the Olympic Games
https://www.yahoo.com/news/water-pollution-rio-ahead-olympic-134519371/photo-p-july-5-2016-photo-photo-134519748.html