For those who feel Paris is filthy let me tell you about my first visit to Zurich. Visited the city after a several months visit in places further south. It was a whim trip and boy did it open my eyes to another view of Europe. Bigger cars, cleaner streets and buildings; seemingly more polite people. Thought I was in a 1950's Americana suburban time warp. Eventually I lived there for a year plus and learned more of the residents. I came to appreciate the southern Romance countries that much better.