Fribourg, Canton of Fribourg, Switzerland
Debrecen, Hajdú-Bihar, Hungary
Buchs, Sankt Gallen, Switzerland
Biel/Bienne, Bern, Switzerland
Fribourg, Fribourg, Switzerland
Gliwice, Silesia, Poland
Tentlingen, Fribourg, Switzerland
Cologne, North Rhine-Westphalia, Germany
Oppligen, Canton of Bern, Switzerland
