Tallinn, Harju maakond, Estonia
Bonn, North Rhine-Westphalia, Germany
Bochum, Nordrhein-Westfalen, Germany
Khuzhir, Irkutsk Oblast, Russian Federation
Berlin, Berlin, Germany
Hamburg, Hamburg, Germany
Boekelo, Overijssel, Netherlands
Itoshima, Fukuoka, Japan
Regensburg, Bayern, Germany
