The pioneer cities are: Apeldoorn, Netherlands; Barcelona, Spain; Belfast, UK; Bengaluru, India; Bilbao, Spain; Bogotá, Colombia; Brasilia, Brazil; Buenos Aires, Argentina; Chattanooga, US; Cordoba, Argentina; Daegu, South Korea; Dubai, UAE; eThekwini (Durban), South Africa; Faridabad, India; Gaziantep, Turkey; Hamamatsu, Japan; Hyderabad, India; Indore, India; Istanbul, Turkey; Kaga, Japan; Kakogawa, Japan; Kampala, Uganda; Karlsruhe, Germany; Leeds, UK; Lisbon, Portugal; London, UK; Maebashi, Japan; Manila, Philippines; Medellín, Colombia; Melbourne, Australia; Mexico City, Mexico; Milan, Italy; Moscow, Russia; Newcastle, Australia; San José, US; and Toronto, Canada.

Interesting – only 1 in Germany, only 2 in the US – such a huge country  but 3!! In the UK with London almost 10 mln people

Time to move guys!