Colin O'Brady, First To Trek Unassisted Across Antartica: 'I'm A Little Bit Tired'
NPR's Leila Fadel speaks with Colin O'Brady, the first person to trek across Antarctica completely unassisted.
Read more on NPR
NPR's Leila Fadel speaks with Colin O'Brady, the first person to trek across Antarctica completely unassisted.
Read more on NPR
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