Boulder, CO, USA
Iksan-si, Jeollabuk-do, Korea, Republic of
Girona, Catalunya, Spain
Oslo, Oslo, Norway
Mashhad, Khorasan Razavi, Iran
Sanyi, Miaoli, Taiwan
Girona, Catalonia, Spain
L'viv, Lviv Oblast, Ukraine
Madrid, Community of Madrid, Spain
Mexico City, Federal District, Mexico
Shanghai, Shanghai Municipality, China
