In 2007, 52-year-old Slovenian endurance swimmer Martin Strel became the first person to swim the entire length of the Amazon River. His 3,300-mile route was full of danger. Show more
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In 2007, 52-year-old Slovenian endurance swimmer Martin Strel became the first person to swim the entire length of the Amazon River. His 3,300-mile route was full of danger. Show more
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