Heidelberg, Baden-Wuerttemberg, Germany
Kanpur, Uttar Pradesh, India
Greifswald, Mecklenburg-Western Pomerania, Germany
Istanbul, Türkiye
Astana, Kazakhstan
Ascoli Piceno, Ascoli Piceno, Italy
Hangzhou, Hangzhou, China
Cusco, Cusco, Peru
Xi'an, Shaanxi, China
Ansan-si, Gyeonggi-do, Korea (Republic of)
Corfu, Greece, Greece
