Paris sans voiture

This car-free day takes place for the 5th time and from 11 am to 6 pm cars are forbidden in all Paris, with some areas totally blocked (as e.g. the Champs-Élysées).

https://www.sortiraparis.com/news/in-paris/articles/89961-paris-goes-car-free-again-in-september-2019/lang/en