Paris will spend the next ten years transforming the Champs-Élysées into a green space for pedestrians after a community-based proposal was greenlit by the government. Under the new plans, vehicle traffic will be reduced by half, while pedestrians will be able to enjoy wider sidewalks and more greenery in what the architects call "planted 'living rooms."
https://edition.cnn.com/travel/article/paris-champs-elysee-project-scli-intl/index.html