To the untrained, Free Diving is a dangerous and potentially life threatening extreme sport, but to the trained, it is a dangerous and potentially life threatening extreme sport. A form of underwater diving, free diving relies entirely on holding your breath rather than using breathing apparatuses like scuba gear.

For Russian Natalia Molchanova, free diving wasn't just a sport, it was a way of life - something described as a way to understand who we are. Breaking world records for multiple disapliones, Natalia is regarded as one of the greatest free divers of all time, influencing the sport in and out of the water.

But, tragically, it was her love of the sport that eventually lead to her death, with her body never to be recovered. So put on a wetsuit, plug your nose, and hold your breath as we dive into the story of one of extreme sp ...