Cool map! I spent quite some time looking at the many details. Also interesting to see that the Chinese were so aware of world geography at the time, even if it was thanks to exchanges with Europeans.
You think so? My impression of the Netherlands is that the staple food is fries with mayonnaise, maybe with some broodje kroket in between. In general the diet consists of a lot of butter, white bread and sugar. To me it does not seemt surprising at all that they eat least vegetables in Europe.
It has often been noticed that differences along the historical borders exist in Poland. See for example this article.
Here’s another article discussing the differences, and interestingly claims that the difference between the election result in former Prussian and Russian parts of Poland is likely due to other factors.
Thanks for pointing that out. You're right. I messed up with the title. What i intended to say was that the scale was relative. But the title is corrected now.