Maybe. Or maybe they could just keep us all knocked out until they finish it. It's not like we'd know how much time actually passed, if they woke us up at the same time as usual on a different day, right?

[Alice purses her lips and thinks about it.]

If we can get something sharp enough to pierce walls, it's possible someone could make their own handholds and climb up that way.

[Like ice-climbing! With... significantly less ice. And probably a higher chance of dying.]