The oldest form of city planning is falling out of fashion
![](https://www.economist.com/interactive/christmas-specials/2022/12/20/the-decline-of-the-city-grid/images/chicago.jpg)
https://www.economist.com/interactive/christmas-specials/2022/12/20/the-decline-of-the-city-grid
at the International Festival of Arts & Ideas
https://www.economist.com/interactive/christmas-specials/2022/12/20/the-decline-of-the-city-grid