I'm reading a recent book called "The Other Paris." It's mostly about that city in it's heyday in the 19th and early 20th Century. People used to say about the city, "I'd rather be poor in Paris than rich anywhere else."
You can see why they felt that way. The city's narrow streets remained beautiful even when flooded as they were when this picture (above) was taken in 1909.
Above, the exterior of a famous artists' cabaret in Clichy.
It was pretty nice inside (above).
But there were even fancier places (above) for those who could afford it.
It was cleaned up a bit by 1922 when this picture (above) was taken. The clean-up had unintended consequences, though. The enforced closing of bordellos put the women on the street where they needed tough guy pimps for protection.
This (above) is the gigantic Les Halles market. Lots of the poor lived directly and indirectly off the market.
The market was renovated and made more sanitary in (I think) 1960. That put a lot of poor out of work, necessitating broader social programs and more taxes.
Today the city is still wonderful and now it's mostly well lit and well ordered...maybe too much so. The book seems to ask the question: can any modern city ever achieve the magic of the old Paris? Exactly what did the magic of the old city consist of? Those are interesting questions.