secret door to an underground storm shelter/panic room/hid out in the kitchen island! Best secret passage ever! Definitely a dream home feature! (would also be good if someone broke into your house and you had to hide somewhere) Zombie apocalypse.
“Like girls from Mars are these “Top Women” at U. Steel’s Gary, Indiana, Works. Their job is to clean up at regular intervals around the tops of twelve blast furnaces. As a safety precaution, the girls wear oxygen masks.” - US National Archive