I have a plan but not sure if I could complete it in time because of lack of money. I got this idea because when my dad was pouring concrete he had to piur for this guy who made a underground bunker. This happpened when we first went over after 9/11. Anyways he had dug a monster hole in the ground some several feet down. He had a load of oxygen tanks to supply the oxygen and a unbelieveable amount of canned food, water, and he even had a porta potty in there. That would be my plan if money was not a problem.