When rescue divers searched a tugboat 30 metres below the ocean's surface that capsized three days earlier, all they expected to find were dead bodies. Instead, they were shocked when a hand reached out to grasp at them.

Last May, Harrison Okene, a 29-year-old cook, survived more than 60 hours at the bottom of the ocean near the Nigerian coast. Dressed only in boxer shorts when he was found, Okene stayed alive by sipping Coca-Cola inside an air pocket in the capsized tugboat.

This video, released this week, captures the moment divers discovered Okene and brought him back to the surface.

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