Tallinn, Harju County, Estonia
Copenhagen, Capital Region of Denmark, Denmark
Uppsala, Uppsala, Sweden
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Taipei, Taipei, Taiwan, Republic Of China
Naples, Campania, Italy
London, England, United Kingdom
Budapest, Budapest, Hungary
Frankfurt, Hesse, Germany
København, Capital Region of Denmark, Denmark
Copenhagen, Denmark