Enschede, Overijssel, Netherlands
Sofia, Sofia-city, Bulgaria
Lund, Skane, Sweden
Izmir, Izmir Province, Turkey
Beaverton, oregon, USA
Mönchengladbach, North Rhine-Westphalia, Germany
Fort Worth, TX, USA
Greifswald, Mecklenburg-Vorpommern, Germany
İzmir, İzmir, Turkey
Portland, OR, USA
Varna, Varna, Bulgaria
Tucson, AZ, USA
