Hello all - My husband and I would like to take a panoramic train ride one day while in Switzerland. Are there any trains with an audio guide to explain where you are and what you are looking at while riding? Any suggestions which route/line to take for the best experience? We are going to be based in Lucerne. It doesn’t have to be a route from Lucerne but we only have one day set aside to do this. Thank you in advance for any and all suggestions.