RIO DE JANEIRO -- Helicopters will circle overhead starting at 6 a.m. to spot any floating rubbish. Below, trash-collection boats receiving GPS coordinates will sweep up debris before each day of Olympic sailing kicks off in Rio de Janeiros Guanabara Bay.Andy Hunt, the head of sailings world governing body World Sailing, acknowledged to the Associated Press that Rio is difficult. He raised an unfavorable comparison with the yacht-filled New England harbor of Newport.We wouldnt be out sailing in Newport with spotting helicopters and eco-boats, he said.Hunt ran off a list of other stop-gaps to sail in Guanabara with the Olympics opening in just over four weeks: floating barriers to keep rubbish from entering the bay, using naturally-occurring microbes to break down pollutants, and hygiene briefings for sailors and staff.Over the last couple of years theyve mapped where the rubbish tends to collect, Hunt said. And a lot is based on tidal flows and wind conditions. So rubbish typically collects in certain places.Hunt said hell cancel racing -- or move to courses in the open Atlantic -- if, for instance, heavy rains flood the bay with tree branches, animal carcasses, or plastic bags washed down from the surrounding hillside slums.We will take tough decisions, Hunt said. If we go out and were not confident that a field of play can be absolutely clear, it will be moved. If there are no safe racing areas, we will just postpone racing until we can get confident.Floating rubbish is the smaller of two problems.Half of Rios sewage flows untreated into its waters, rife with unseen viruses and bacteria. A year-long, independent study by AP has shown high levels of viruses and sometimes bacteria from human sewage in the waters where hundreds of sailors will compete when the Olympics open in just over four weeks.Rio state officials have acknowledged a real cleanup of Guanabara will take 20 years -- organizers promised to do it for the Olympics.World Sailing, backed by the World Health Organization and the International Olympic Committee, says the water doesnt need to be tested for viruses. It says the bacterial levels are below what would be considered dangerous for athletes.On Sunday, the bay was hit with another problem: an oil slick turned white boats brown as crews trained for the Olympics.Television is a key reason that sailing is in Guanabara, and not a hundred miles (kilometers) away in a clean, coastal resort. Despite the dirty water, Guanabara is picturesque from a distance with Sugarloaf Mountain and the famous Christ the Redeemer statue is sure to be in the television shot.The opportunity for sailing to be at the heart of the Olympic Games is something pretty special, Hunt said. Were usually off in a venue, 100, 200 miles (kilometers) away.Hunt said the games offer tradition-bound sailing a chance to be seen by a younger, more diverse audience that the IOC wants to attract.Sailing, like all Olympic sports, is continually being evaluated for popularity by the IOC.We dont want to connect with just the normal fans of sailing, Hunt said. The Olympic Games give us the opportunity to connect with a whole range of sports fans and a broader fan base.---Stephen Wade on Twitter: http://twitter.com/StephenWadeAP . His work can be found at http://bigstory.ap.org/content/stephen-wadeCheap Black NFL Jerseys . 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No details about the cause of death have been made public.Capped 62 times, Foley was a former captain of Munster and Cheika coached against him when was in charge of their great Irish provincial rivals Leinster from 2005-10.I would be lying if I didnt admit that swirled around in my head all morning when you wake up to news like that, said Cheika in Sydney on Monday.Its hard to believe to be honest. Hes a guy who, as a coach and he was Munster captain, I competed heavily against.And when you compete against someone and earn respect for them from competition it shows that theres a special person behind that.Its really tragic and our thoughts are with the Munster rugby family and all of Irish rugbyHe was captain of Ireland as well for a while and a well capped player and a real institution over there.As a colleague as well, a head coach for a team, its really sad.The death of Foley, described as the heart and soul of Munster, hit Irish rugby hard and brought forth aa string of other tributes.ddddddddddddIt is with deep regret that the Irish Rugby Football Union and Munster Rugby must advise of the passing overnight of Munster Rugby head coach Anthony Foley, at the team hotel in Paris, read a statement from the Irish Rugby Football Union (IRFU) on Sunday.Irelands president Michael D. Higgins led the tributes to the former international, saying: Anthony Foley excelled from a young age and made a huge contribution to the successes of Munster and Ireland, in both his playing and coaching careers.As President of Ireland, and as Patron of the IRFU, I offer them and Munster rugby my deepest sympathies.Munster fans who had travelled over for the game in Paris gathered outside the Stade Yves-du-Manoir and gave a mournful, muted rendition of The Fields of Athenry, a folk song regularly sung by Irish fans at sporting events.Foley, a powerful back-row forward, will be best remembered for captaining Munster to their first Heineken Cup final triumph in 2006, a victory that ended their quest for success in Europe.He epitomises what Munster rugby is all about. Its absolutely shocking. Theres nothing but shock in the air, former Ireland international Donal Lenihan said. 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