Cairo, Cairo, Egypt
Hamburg, Hamburg, Germany
Helsinki, Uusimaa, Finland
Krasnoyarsk, Russian Federation
Yerevan, Yerevan, Armenia
Italia, Italia, Italy
Sydney, New South Wales, Australia
Tomsk, Tomsk Oblast, Russian Federation
Delft, Zuid-Holland, Netherlands
Bērzciems, Engure Municipality, Latvia
Freiburg, Germany
