Attempts to develop a vertical aqueduct have proven to be an extremely poor idea.
Madness string 858
I'm trying to think... call each idea, each possibility NP-complete... they reduce to each other. And they're impossible sofas!
It's fine to have gods be around in your story if the conflict taking place in it is just not worth their attention, for the most part. Once it becomes a threat to the entire world, the fact that they're sitting on their butts not using that unfathomable power to fix it themselves starts to get a bit frustrating!