DianaNyad-2013

US swimmer Diana Nyad (L) prepares for her departure from the Ernest Hemingway Nautical Club in Havana on August 18, 2012 . Veteran US endurance swimmer Diana Nyad announced that she will try to swim the treacherous waters from Cuba to Florida without a shark cage. AFP PHOTO/ADALBERTO ROQUE (Photo credit should read ADALBERTO ROQUE/AFP/GettyImages)