[thirdsun]

It is my understanding that Barcelona and its superblocks often serves as a showcase for great city planning: https://www.theguardian.com/cities/2016/may/17/superblocks-r...

Of course this isn't a natural or old layout however.

[rch]

It's also an example of failed city planning! The original Cerdà Plan was considerably more human friendly:

https://www.failedarchitecture.com/behind-four-walls-barcelo...