Rostock, Mecklenburg-Vorpommern, Germany
Kiel, Schleswig-Holstein, Germany
Hürth, North Rhine-Westphalia, Germany
Ithaca, NY, USA
Kungsängen, Stockholm County, Sweden
Kiel, Germany
Jena, Thuringia, Germany
Lemgo, North Rhine-Westphalia, Germany
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece