Means they are puzzled together by a algorithm from around 500 diffrent pieces. Spring can take it- as long as there are no deep hierarchys or too much moving pieces aka no matrix updates.
Now the first version i did was for "middle eastern" themed citys.
Next building and people version is going to be western -
i modeled some decoration for the building roofs today. A miniature japanese garden and a koi pond.
Not very killer roboty - but very nice to realize.