Maastricht, Limburg, Netherlands
Sendai, Miyagi, Japan
Amsterdam, North Holland, Netherlands
Wageningen, Gelderland, Netherlands
Hamburg, Hamburg, Germany
Berlin, Berlin, Germany
Nouakchott, Nouakchott, Mauritania
Bunkyō, Tokyo, Japan
Düsseldorf, NRW, Germany
Tomsk, Tomsk Oblast, Russian Federation
