עיר הגחלת

With the future of the planet in grave danger, some far-sighted builders decide that it’s best for humanity to build a subterranean city into which they can retreat. It’s got to be something self-sustaining as they are going to be down there for a couple of centuries. They do provide exit instructions, but over time they get lost and so nobody knows that maybe it’s time to resurface. Now, though, …