Mike Stone - Billionaires Burrow Bunkers .

"If you had a billion dollars, would you build an underground bunker? 

I wouldn't. But practically every billionaire alive today is. 

And they're doing it with a sense of speed and urgency. 

Do they know something we don't? 

If so, why haven't they warned the rest of us?...

Mike Stone - Billionaires Burrow Bunkers :