This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Ligne . Paris Metro Ligne svg Geographically accurate path of Paris metro line before en Image Ligne en User Metropolitan Released by the author into the public domain Paris Metro Ligne svg Maps of Paris Metro Line
Page 2023 Free-images.com. All images are Public Domain