1) Doomsday scenario
Found on
https://www.crosswordclues.com/clue/vivos
[underground shelter] Vivos, also known as The Vivos Group, is a California-based company founded by Robert Vicino that is building a network of hardened underground shelters designed to withstand future disasters and life-extinction catastrophes. The shelters are reportedly able to withstand a 20 megaton nuclear blast and operate autonomou...
Found on
http://en.wikipedia.org/wiki/Vivos_(underground_shelter)
No exact match found.
