And here is update 1.4 for the Better City Specialization mod made by thecrazyscot.
Civilization VI Better City Specialization 1.4 mod
Makes changes to the district system so more city specialization is required.
New in this version:
– Moved Cistern to Irrigation instead of Engineering.
– Sewer is now correctly required to build the Water Treatment Plant.
How to install:
– Unzip to
Documents\My Games\Sid Meier's Civilization VI\Mods folder
– Activate the mod in Additional Content
– Start a new game.