Freediving is easy. All you have to do, according to freediver extraordinaire, Stig Åvall Severinsen, is “learn to hold your breath as long as you can”. Simple.
But it becomes a little more complicated when you set out to turn what most of us do when we’re fooling around at the bottom of the pool into an almost mystic discipline, which has allowed Severinsen to break long-standing records and win world championships. So, how does Severinsen manage all that?