Basically, water gets pumped into city pipes, and it’s always raining somewhere, to keep the water pressure consistent. If you’re rich, it will rain when it’s most convenient for you (the middle of the night). Everywhere else gets rain when it’s inconvenient.

Did you know that Buckminster Fuller once had a crazy idea to build an actual dome over actual Manhattan? It’s true. One of the reasons that was a terrible idea was because of the fire hazard. What his dome needed was a sprinkler system (and like a hundred other major fixes to other major problems).