With the latest version (and despite its issues) we're nearing more than ever toward a complete, stable structure to build on.. What I'm getting at here is that customizing those courtyards of ours would be a good idea.
In many ways courtyards work as shells, they can be extracted from the main blender file and worked on separately; so it's easy to do a collaborative work on those.
There are 4 courtyards in each district plus 6 in the central district. Those are the same size as a shell so it may be quick and easy to do one...
Then we've got the 'shells courtyards'. Shells are in groups of three centered around a small circular courtyard. Those are very small and can probably be done in a couple evening. Better, for something simple it can probably be done under a couple hours. I did
this one in a couple hours (and I took my time). Those courtyards don't need anything complex (they're too small for that anyway).
Anyone whiling to give a try at one?