Darmstadt, Hessen, Germany
Mainz, Rhineland-Palatinate, Germany
Reykjavik, Greater Reykjavik, Iceland
Hafnarfjörður, Capital Region, Iceland
Sofia, Sofia City Province, Bulgaria
Frankfurt am Main, Hessen, Germany
Toronto, Ontario, Canada
Bangor, ME, United States
Carrick-on-Shannon, Leitrim, Ireland
Rostock, Mecklenburg-Vorpommern, Germany
Frankfurt, Hesse, Germany
Berlin, Germany
