I can't share this with my players, but I gotta share it with somebody.
So I took this "Ptolus":https://ptolus-city-by-the-spire-by-bryan.obsidianportal.com/ city map
and - because it didn't already exist and I'll find it useful _some_ day - I added the "city sewer grid.":https://ptolus-city-by-the-spire-by-bryan.obsidianportal.com/wiki_pages/sewers
They say the first step in overcoming an addiction is admitting you have a problem... ;-)
Ptolus, City by the Spire - 2016 Campaign of the Year
"Please pay attention very carefully, because this is the truest thing a stranger will ever say to you: In the face of such hopelessness as our eventual, unavoidable death, there is little sense in not at least TRYING to accomplish all your wildest dreams in life." - - Kevin Smith