Paris - Metro
https://www.ratp.fr/en/plans-lignes/metro/
https://www.openstreetmap.org/#map=15/48.8932/2.2680
https://wego.here.com/?map=48.859,2.33241,12,satellite&x=ep
https://moovit.com/lines?utm_source=seo_pages&customerId=4908&metroId=662&lang=en-gb
http://carto.metro.free.fr/cartes/metro-paris/
https://parisbytrain.com/wp-content/uploads/2008/09/plan_pbs.pdf