Changes include a traffic-reducing redesign of the Arc de Triomphe and creation of green promenades connecting Parisian landmarks. As Notre Dame gears up to reopen its doors in December, Paris is on the verge of a remarkable eco-revival, bringing nature back to the forefront of the City of Light.Beyond restoring the cathedral’s iconic spire and medieval charm, the city announced plans Tuesday to revamp Notre Dame’s surroundings—to a tune of 50 million euros ($55 million)—into a serene, green oasis.The project echoes a broader, post-Olympics eco-facelift that’s reshaping Paris from its historic monuments to its bustling avenues.Among the key elements of this broader transformation are the revitalization of historic spaces like the Champs-Elysees and Place de la Concorde, a redesign aimed at reducing traffic around the Arc de Triomphe, and green promenades connecting the French capital’s landmarks.Here’s a look at some of the eco plans for Paris in the coming years: