Man walks 15,000 miles, endures heart attack while on trip

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A journey unlike any other, a man treks almost 15,000 miles from the southern tip of Argentina to Alaska in 530 days.

While he was in Central Ohio, Holly "Cargo" Harrison sat down with Karina Nova to talk about the obstacles he faced and how he achieved this world record. Those obstacles included a heart attack and fighting off a grizzly bear.