Translation of revolcarse

Some idiot copied it from there and inserted it into our vocabulary builder. He is allowed to do it as long as he indicates that sentences where taken from another source and are for self usage only.
Choosing the right language school is not an easy task. If you want to learn Spanish for example, you first need to know which country you should visit, because the pronunciation in each country differs.
Germany has a very diverse geography in the North we have the port cities of Hamburg and Bremen, and people are more open, there are a few hills up there. Then you should also visit Berlin.