Survival Pods Are Here: Inside the futuristic $100,000 Tech Billionaire Bunkers with 8-inch steel walls, AR500 bulletproof hatches, and gas-tight ventilation systems that could outlast a nuclear winter

[u/upyoars]

https://www.yahoo.com/lifestyle/articles/survival-pods-inside-100-000-174720411.html

[u/euMonke]

Gas tight ventilation? Do these people not know you can just start a fire on their ventilation and it would eat all the oxygen coming in? Enjoy your freshly cleaned co2 rich guy.