Aachen, North Rhine-Westphalia, Germany
Aveiro, Portugal
Lyon, Auvergne-Rhône-Alpes, France
Fortaleza, Ceará, Brazil
Toulouse, Midi-Pyrénées, France
Copenhagen, Capital Region of Denmark, Denmark
Seoul, Seoul, South Korea
Austin, TX, USA
Ottawa, Ontario, Canada
Aachen, NRW, Germany
