'The sea rejuvenates you': Cuban seniors defy aging by diving in

The 87-year-old former revolutionary, who helped Fidel Castro fight his way to victory over a dictatorship in 1959, took up swimming relatively late in life, in his sixties. Before that, "I knew how to float, I used to bob about in the water like everyone else but I didn't know the different strokes," the silver-haired ex-soldier said. Now, he spends a full two hours a day cleaving through the aquamarine waters of the Caribbean and has a bunch of amateur swimming titles to his name. "I have almost no challengers.