Berlin, Germany
Ostermundigen, Bern, Switzerland
Leipzig, Saxony, Germany
Madrid, Madrid, Spain
Sankt-Peterburg, Sankt-Peterburg, Russian Federation
Ivan Vazovo, Plovdiv, Bulgaria
Wiesbaden, Hessen, Germany
Brest, Belarus
Karaj, Alborz, Iran
Angers, Maine-et-Loire, France
Milano, Lombardia, Italy