https://en.wikipedia.org/wiki/Tour_Montparnasse
http://www.skyscrapercity.com/showthread.php?t=1807473&page=9
https://en.wikipedia.org/wiki/Montparnasse_%E2%80%93_Bienven%C3%BCe_(Paris_M%C3%A9tro)#Location
https://en.wikipedia.org/wiki/Gare_Montparnasse
https://www.google.ca/search?q=montparnasse+tower+paris&safe=off&espv=2&biw=1920&bih=971&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMIl5mlwu_RyAIVSeBjCh1b4AKP