Der französische Freediver David Helder macht Luftringe unter Wasser. Nicht mehr, nicht weniger. Richtig ab geht’s bei 2:40.
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.
(Direktlink, via Colossal)