A St. Petersburg free diver with a passion for tunneling through underwater caves with no oxygen tank has amassed hundreds of thousands of followers on social media.
Free diver Alexey Molchanov broke two world records after diving 442ft in four minutes and 42 seconds, which he said "felt good" but left him extremely "tired" following the dive at Dean's Blue Hole in the Bahamas on July 21
Bartender Tiffany Marie Owen, 30, from St. Petersburg, Florida, started freediving more than a year ago and can now hold her breath for a total of three-and-a-half minutes.
A Florida woman took up freediving through underwater caves over a year ago, and now posts videos of her diving 99ft underwater while holding her breath for three minutes and 30 seconds because it helps her relax, she says