I accidently down voted you :( But, in answer to your question, it is practically impossible and impractical. Even if you were able to design a radiation proo

I accidently down voted you :( But, in answer to your question, it is practically impossible and impractical. Even if you were able to design a radiation proof bunker, you would have to account for the eventual removal of those occupants. And that is just one of the enormous obstacles. Frankly, it's just not that simple.