Sucking in your breath, you summon all your courage and cross the threshold. There’ll be no turning back once you’ve made your decision.
After a lifetime of safety and security in your vast underground home, you’re being forced to leave, and now you’re at the brink. Beacons flash and sirens wail, warning you of the fateful decision you’re about to make. The great metal door shrieks inward under the weight of all that steel and lead before finally shuddering open and rolling to the side.
