Berlin, Berlin, Germany
Piaseczno, Mazovia, Poland
Hirakata, Osaka Prefecture, Japan
Busan, Busan, South Korea
Prague, Hlavní město Praha, Czech Republic
Tianjin, Tianjin Municipality, China
Hanoi, Hanoi, Viet Nam
Singapore, Singapore
Budapest, Hungary
Magdeburg, Saxony Anhalt, Germany
