Mark Zuckerberg reveals what his 'Doomsday bunker' Hawaii home is like

Mark Zuckerberg discussed his Hawaii property and its underground shelter for the first time. He clarified that the large structure is a hurricane shelter, not a doomsday bunker. Planning documents reveal the underground storm shelter spans nearly 4,500 square feet. This extensive underground facility connects to ground level via a tunnel. Zuckerberg's expansive Kauai ranch also focuses on raising cattle for fresh beef.