the same will be said of all the bomb/survival shelters that are bieng built now, everywhere, and have already been built, everywhere, along with countless fort

the same will be said of all the bomb/survival shelters that are bieng built now, everywhere, and have already been built, everywhere, along with countless fortresses and industrial structures that have underground sections.....must be millions of square meters/yards of foor space pick a culture, or time period, or furniture type and there will be an underground structure to fit your style...