What do the French cities of Nantes Bordeaux Lyons and Marseille have in common?

Nantes, Bordeaux, Lyon, and Marseille are all major cities in France known for their rich cultural heritage, vibrant economies, and significant historical importance. Each city has a unique character, with Nantes being notable for its maritime history, Bordeaux for its wine production, Lyon for its culinary scene, and Marseille for its multicultural atmosphere and Mediterranean port. Additionally, they serve as important regional hubs for transportation and commerce.