In this photo provided by the Florida Keys News Bureau, Diana Nyad, positioned about two miles off Key West, Fla., Monday, Sept. 2, 2013, swims toward the completion of her approximately 110-mile trek from Cuba to the Florida Keys. Nyad, 64, is poised to be the first swimmer to cross the Florida Straits without the security of a shark cage. (AP Photo/Florida Keys News Bureau, Andy Newman)
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