https://en.wikipedia.org/wiki/Paris
https://en.wikipedia.org/wiki/%C3%8Ele-de-France
Exploring Paris Metro Line 10 https://www.youtube.com/watch?v=vxRFFPAfTqc
The Paris Métro station where the trains DON'T stop https://www.youtube.com/watch?v=ERX68Ye0btg
Evolution of the Paris Metro & RER 1900-2035 https://www.youtube.com/watch?v=7ZZo33zrOEc
