In the 20th century, being "modern" meant bringing cars into the center of cities.
In the 21st century, it means keeping them out.
(Images: Grand Place, #Brussels.)
European cities used to be as car-clogged as those in America. Here's what changed:
https://www.politico.eu/article/europe-car-free-plaza-reclaim-former-glory-public-space-pollution/