How long could you hold your breath underwater? A Croatian freediver has pushed his body to the brink by breaking the Guinness World Record for longest breath-holding underwater, without air for just under 30 minutes. It didn't come without its challenges, 40-year-old Vitomir Maricic says he experienced intestine bleeding, convulsing and painful headaches - but he's already looking to smash his next record - deep diving. #GuinnessWorldRecord #BreathHolding #Croatia #NewRecord