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	City of Athens	Greece
	City of Augsburg	Germany
	City of Bern	Switzerland
	City of Bolzano	Italy
	City of Bonn	Germany
	City of Bottrop	Germany
	City of Brno	Czech Republic
	City of Budapest	Hungary
	City of Cologne	Germany
	City of Cracow	Poland
	City of Darmstadt	Germany
	City of Dublin	Ireland
	City of Duisburg	Germany
	City of Düsseldorf	Germany*
	City of Essen	Germany*
	City of Frankfurt am Main	Germany*
	City of Gaziantep	Turkey
	City of Gent	Belgium
	City of Gliwice	Poland*
	City of Graz	Austria
	City of Hamm	Germany
	City of Hildesheim	Germany
	City of Jena	Germany
	City of Kassel	Germany
	City of Kaunas	Lithuania
	City of Kotka	Finland
	City of Lausanne	Switzerland
	City of Leverkusen	Germany
	City of Ljubljana	Slovenia
	City of Lodz	Poland
	City of Luxemburg	Luxemburg
	City of Malmö	Sweden
	City of Manchester	Great Britain
	City of Munich	Germany
	City of Naestved	Denmark
	City of Nancy	France
	City of Nantes	France*
	City of Northampton	Great Britain*
	City of Nuernberg	Germany
	City of Offenbach	Germany
	City of Oradea	Romania
	City of Panevezys	Lithuania
	City of Pécs	Hungary
	City of Peristeri	Greece
	City of Prešov	Slovakia
	City of Rēzekne	Latvia
	City of Reggio di Calabria	Italy*
	City of Riga	Latvia
	City of Rijeka	Croatia
	City of Rotherham	Great Britain*
	City of Salzgitter	Germany
	City of Samara	Russian Federation
	City of Satu Mare	Romania
	City of Setubal	Portugal
	City of St.Helens	United Kingdom
	City of Stara Zagora	Bulgaria
	City of Stavanger	Norway
	City of Strasbourg	France
	City of Stuttgart	Germany
	City of Tampere	Finland
	City of Tartu	Estonia
	City of The Hague	The Netherlands
	City of Valencia	Spain
	City of Valletta	Malta
	City of Vilnius	Lithuania
	City of Wiesbaden	Germany
	City of Wroclaw	Poland
	City of Zabrze	Poland
	City of Zurich	Switzerland