Beirut, Beirut, Lebanon
Dubna, Moscow region, Russian Federation
Washington, DC, USA
Oberostendorf, Bavaria, Germany
Gävle, Sweden
Vicenza, Veneto, Italy
Leipzig, Saxony, Germany
Gent, East-Flanders, Belgium
Zhongli, Taoyuan, Taiwan
Québec, Québec, Canada
Munich, Bavaria, Germany
Paris, France
