euclase: What if you were on a ship at sea, and in the bottom of the ship, way down in the very...

euclase:

What if you were on a ship at sea, and in the bottom of the ship, way down in the very bottom, there was a hatch that nobody opened because they assumed it was part of the hull, and if you opened it, the ocean would come rushing in. But then one day, you opened it, and there was a ladder to another room.