In a world of nuclear proliferation and ever-heightening tensions, some people are preparing for "doomsday."
Some people feel safer having a bug-out bag and emergency escape plan.
But for others, they want to make sure that they're living a life of luxury at the end of the world...
Indoor swimming pools... Stunning gardens... Wine cellars... These are not what you think of where you hear the words "fallout shelter."
I need to make friends with a billionaire, and fast!