Paris and surroundings is a really dense region [1], which tbh makes the actual functioning of public transit quite impressive in this city. [1] https://en.wik

Paris and surroundings is a really dense region [1], which tbh makes the actual functioning of public transit quite impressive in this city. [1] https://en.wikipedia.org/wiki/List_of_cities_proper_by_population_density https://en.wikipedia.org/wiki/List_of_cities_proper_by_popul...