["['Spain', 'Czech Republic', 'United States of America', 'Cyprus', 'Netherlands']", "['China National Post and Postage Stamp Museum', 'Postal Museum Japan', 'Museum für Kommunikation Bern', 'PTT Museum', 'Postal Museum']", "['Corfu', 'Tianjin', 'Benczúr House', 'Tokyo Solamachi', 'Federal Building and Post Office']"]