Köln, Nordrhein-Westfalen, Germany
Groningen, Groningen, Netherlands
Arusha, Arusha Region, Tanzania, United Republic of
Dublin, County Dublin, Ireland
Leiden, Zuid-Holland, Netherlands
State of Rio de Janeiro, Brazil
Köln, Bavaria, Germany
Oldenburg, Niedersachsen, Germany
Trier, Rhineland-Palatinate, Germany
Lund, Skåne County, Sweden
