Porto, Porto District, Portugal
Fléron, Walloon Region, Belgium
Bologna, Emilia-Romagna, Italy
Timisoara, Timis, Romania
Warszawa, mazowieckie, Poland
Liège, Walloon Region, Belgium
Brno, South Moravian Region, Czech Republic
Dalian, China
Amsterdam, Noord-Holland, Netherlands
Hannover, Lower Saxony, Germany
Kraków, Lesser Poland Voivodeship, Poland