o dýchaní a Toastmasters
Linky: William Trunbridge: Prečo sa venujem freedivingu: Výlet do hlbín („This is why I free dive“: A journey into the deep | William Trubridge | TEDxChristchurch)
Adam Stern, freediver https://www.youtube.com/channel/UCzVy7DiPyVvfiOvXF_XMs4Q
Alexej Molčanov, https://www.youtube.com/channel/UC2u1jqxEh7sV7DNUAn1-0iA
