The Champs-Élysées is neither the largest nor the longest avenue in the capital, yet it is said to be the most beautiful in the world. Every day, 300,000 people pass by without realizing that, behind the scenes, men and women work tirelessly to maintain its prestige. How do they do it? What are their secrets to making a difference? For an entire year, we followed those who make the world-renowned avenue shine.