Madrid, Comunidad de Madrid, Spain
Yerevan, Yerevan, Armenia
Muscat, Muscat Governorate, Oman
Kiel, Schleswig-Holstein, Germany
Paris, Ile-de-France, France
Potsdam, Brangerburg, Germany
Stuttgart, Baden-Württemberg, Germany
Frankfurt, Hesse, Germany
Cuenca, Castile-La Mancha, Spain
Aachen, NRW, Germany
Regensburg, Bavaria, Germany
