Luxembourg

Each European nation has its own set of laws and rules one must follow before becoming a citizen | Credit: picture-alliance/dpa/ORESTIS PANAGIOTOU
A general view of the European parliament in Brussels. PHOTO/ARCHIVE/EPA/STEPHANIE LECOCQ
The European Council. PHOTO/EPA/OLIVIER HOSLET
European Court of Justice in Luxembourg
Schengen visa
Symbolbild - Kopftuch am Arbeitsplatz (picture-alliance/dpa/K. Nietfeld)