Professional diver Andrew Ryzebol tells PEOPLE exclusively of his risky underwater explorations 200 feet beneath uncharted ice with nothing but a mask and fins.

The team, which consists of nine women, had too much fun with this routine ... on www.si.com as U.S. Artistic Swimming Team Moonwalking While Underwater Is Wildest Video of Olympics.

Join us as we try to swim through a narrow underwater tunnel – will we make it or get stuck? Watch the fun and the challenge unfold! 🌊🕳️ #TunnelChallenge #UnderwaterAdventure # ...