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NRW, Germany
Seoul, South Korea
Falkensee
Augsburg, Germany
Presov, Slovakia
Székesfehérvár, Hungary
Zgorzelec, Poland
Tulsa, OK, USA
Germany
Madrid, Spain
Roma, Italy
Toulouse, France
Bethlehem , Pennsylvania, america
Moscow, Russia
Spain
Athens, Greece
Tver, Russia
Leganés - Madrid, España
Tokyo, Japan