Oulu, Northern Ostrobothnia, Finland
Ho Chi Minh, Vietnam
Lahti, Paijanne Tavastia, Finland
Gothenburg, Västra Götaland County, Sweden
Kouvola, Kymenlaakso, Finland
Hanoi, Hanoi, Vietnam
Überlingen, Baden-Württemberg, Germany
Hanoi, Vietnam
Osaka, Japan
Hanoi, Viet Nam
Espoo, Finland