So, why do they care about your bag? Well, it's all about security and preserving this incredible piece of history. You wouldn't want anything to happen to this stunning cathedral, right? It's like trying to protect a priceless work of art - you want to make sure it's safe for generations to come.
Imagine if you were to visit a famous museum, like the Louvre, and you saw people just walking in with huge bags and backpacks. It would be a bit chaotic, right? That's why Notre Dame has a bag policy in place - to keep things organized and safe for everyone.
