Katowice, Silesia, Poland
Kouvola, Kymenlaakso, Finland
Girasole, Sardegna, Italy
Kommunarka, Moskovskaya oblast', Russian Federation
Aachen, North Rhine-Westphalia, Germany
London, UK
Málaga, Málaga, Spain
Valencia, Valencian Community, Spain
Lužice, Most, Czechia
