Expensive underground doomsday-proof bunkers for the rich

The idea of post-apocalyptic prepping has become more and more alluring, especially for the super-rich who are fighting to get their hands on a luxurious nuclear bunker. 

For years a number of countries have been attempting to meet a growing demand for survival bunkers that could protect the world’s elite from things like natural disasters, asteroids or a global pandemic all while offering lavish amenities.