Hangzhou, Zhejiang, China
Cenizate, Spain
Winterthur, Zurich, Switzerland
Saarbrücken, Saarland, Germany
Osnabrück, Lower Saxony, Germany
Lyon, Auvergne-Rhône-Alpes, France
ponta delgada, azores
Cologne, North Rhine-Westphalia, Germany
Lausanne, Vaud, Switzerland
Trieste, Italy
