In terms of public security, Paris is undoubtedly the worst ... Rennes is the best because it is relatively the smallest. Especially in the affluent Sesson Sevigny region, there are few black Arabs and they are safe.
In terms of city appearance and environment, they are all traditional French cities, and Paris has a profound humanistic atmosphere. You can reach a great scenic spot by walking two steps with your eyes closed. Besides, there are many activities in Paris, and you will never feel bored.
Lille's words, close to Belgium, are also the starting point of the European Star, which is compatible with and includes the feng shui feelings of several neighboring countries. How about Lyon, the capital of French cuisine? There are so many delicious foods!
As far as studying abroad is concerned, whether you can go to Paris or Paris, after all, she is a mobile feast.