Freediver David Helder controls water by shooting vortexes with his mouth

French freediver David Helder has been diving for over 35 years, and somewhere along the way he discovered a strange ability. Like a dolphin, Helder can blow perfectly controlled bubble rings underwater. While many divers have playfully experimented with blowing these whirling vortexes, Helder has dedicated significant time to perfecting the technique which he uses to perform dozens of different tricks.

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