Ciudad de México, Ciudad de México, Mexico
Lecce, Puglia, Italy
Bologna, Metropolitan City of Bologna, Italy
Munich, Bayern, Germany
Friedrichshafen, Baden-Württemberg, Germany
Hanover, Lower Saxony, Germany
Oxnard, CA, USA
Riga, Riga, Latvia
Calexico, CA, USA
Yverdon-les-Bains, Vaud, Switzerland
Lindau (Bodensee), Bavaria, Germany