2. Leave the cities! When the Big-Whatever comes, it'll be folk
out in the countryside, that'll still be able to stay in their homes& go to toilet! You, proud owners of a 28th floor Penthouse won't! In war & catastrophe- times, it is always preferable to be far away from big hubs! So instead of piling up those condos (at unreasonable prices) get a grip dear government: enforce some general planning for our country. We're the "smart" people, remember?