[2020] Most recommended expansion packs/mods?

A bunch of collections with mods sorted in different categories. DO NOT subscribe to all though - make sure you pick and choose what you need, what they do, and what they are not compatible with. This goes for all collections.
https://steamcommunity.com/sharedfiles/filedetails/?id=823267366

https://steamcommunity.com/sharedfiles/filedetails/?id=1473478999
https://steamcommunity.com/sharedfiles/filedetails/?id=1473541497
https://steamcommunity.com/sharedfiles/filedetails/?id=1473475944

The only exception is Snowfall and that's only partial. The snow is only on specific maps, so you won't see that on an existing city. But everything else can be added to your city when/if you get more DLCs. :)