alexandre afonso on Twitter: "Here is a map of dominant languages in Switzerland and Belgium, namely French, German, Italian and Rumansh in Switzerland and French, Flemish and German in Belgium. https://t.co/N1be3L7BI6" /
Historically, why did the language border in Belgium and the border with France and Germany were always hostile, but Switzerland's language border has had peace? - Quora
![alexandre afonso on Twitter: "Now here is a map of average income by municipality in Belgium. As you can see, it doesn't track the language border absolutely perfectly, but there is nevertheless alexandre afonso on Twitter: "Now here is a map of average income by municipality in Belgium. As you can see, it doesn't track the language border absolutely perfectly, but there is nevertheless](https://pbs.twimg.com/media/FG2HA89XIAUjjkE.jpg:large)