This past May, Harrison Okene was working as a cook on the tugboat Jacson-4 when his ship capsized and sank in freezing waters off the coast of Nigeria. Everyone else onboard died, but Okene managed to survive in a tiny air pocket for 60 hours, drinking only Coke.

A team of South Africans divers, there to execute a body-recovery operation, discovered Okene when one diver came upon the air pocket. Video just surfaced of the diver discovering Okene, who was waving at him to get his attention.

"I went to the water and touched the diver," Okene said. "He himself shivered from fear. So I stepped back and just held my hand in the waters and waved it in front of his camera so they would see the images above deck."

Okene was then brought up to the surface, but had to spend two days in a decompression chamber. His survival is all the more stunning because of the length of time he spent at about 100 feet below sea level.

A training consultant from the Professional Association of Diving Instructors told The Guardian, "To survive that long at that depth is phenomenal. Normally you would dive recreationally for no more than 20 minutes at those depths." After taking in abnormally high levels of nitrogen as a result of being trapped in a tiny, enclosed space—just four square feet—for so long, his heart would have been unable to pump back on land.

Below is the actual footage from what became a rescue operation. The moment of rescue occurs at about the 5:30 mark, but it's worth watching all the way through:

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