Porto, Porto, Portugal
Los Alamos, NM, USA
Denver, CO, USA
Lisbon, Lisbon, Portugal
Hedehusene, Høje-Taastrup Municipality, Denmark
L'viv, Lviv Oblast, Ukraine
Lisboa, Lisboa, Portugal
Szczecin, West Pomeranian Voivodeship, Poland
Irvine, CA, USA
Bochum, Bochum, Germany
Leichlingen, NRW, Germany