Little brass signs set in every step of the staircase, a guessing game for the line-14 commuter. I am talking about the 19 steps leading outside the BNF metro station written in 19 languages.
Here are a few illustrators of the languages chosen by the architect Antoine Grumbach:
When you next cross the station, look at your feet and count in the language of your chosing even if it is only till 19.
Bonus :
