Oldenburg, Lower Saxony, Germany
Göttingen, Niedersachsen, Germany
Poznań, Greater Poland Voivodeship, Poland
Alfter, Nordrhein-Westfalen, Germany
Berlin, Berlin, Germany
Faro, Algarve, Portugal
Porto, Porto, Portugal
Porto, Porto District, Portugal
Maia, Ribeira Grande, Azores, Portugal
Norderney, Lower Saxony, Germany
Groningen, Groningen, Netherlands