Looking for recommendations for an interesting city break in France for October half term. It's for me and my daughter, who is 16. The only place we've been in France already is Paris. We like castles, old town centres, architecture, good food, museums and walks. Would be nice by the coast but not absolutely necessary. Has to have good public transport as I'd rather not hire a car. So if anyone has had any fantastic experiences, please share! Thanks 😊