Luxury doomsday bunkers: How the mega-rich are preparing for the apocalyse -

"Most include food supplies for a year or more, and many have hydroponic gardens to supplement the rations. The developers also work to create well-rounded communities with a range of skills necessary for long-term survival, from doctors to teachers."

Luxury doomsday bunkers: How the mega-rich are preparing for the apocalyse - CNN Style