Natalia Vadimovna Molchanova was a Russian champion free diver, multiple world record holder, and the former president of the Russian Free Dive Federation. She has been described as "possibly the world’s greatest freediver".
Natalia Molchanova at the 2009 Freediving World Championships
Alexey and Natalia Molchanova at the 2007 Freediving World Championships
Freediving, free-diving, free diving, breath-hold diving, or skin diving, is a mode of underwater diving that relies on breath-holding until resurfacing rather than the use of breathing apparatus such as scuba gear.
9th century illustration of a pearl diver
A member of the Japanese team is thrown up in the air by other members under the water during the team's free routine at the 2013 French Open.
Two players compete for the puck in underwater hockey
US Navy Students playing underwater football