This is astounding:

“Car trips within Paris declined by almost 60 percent between 2001 and 2018, according to research from Atelier Parisien d’Urbanisme, the city’s planning arm“

https://slate.com/business/2023/03/paris-car-ban-bikes-cycling-history-france.html

How Paris Pulled Off What New York and London Can Only Dream About

One parking structure pivoted to growing mushrooms and endives.

Slate