Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Hesse, Germany
Aachen, North Rhine-Westphalia, Germany
Stuttgart, Baden-Württemberg, Germany
Heimsheim, Baden-Württemberg, Germany
Coventry, United Kingdom of Great Britain and Northern Ireland
Punat, Primorje-Gorski Kotar, Croatia
Bonn, North Rhine-Westphalia, Germany
Hanau, Hessen, Germany
Oplotnica, Slovenska Bistrica, Slovenia
Bern, Bern, Switzerland
