USA

Potsdam , Brandenburg , Germany

Riverside , California , USA

Frankenberg (Eder) , Hessen , Germany

Skane , Sweden

Wales

Ginsheim-Gustavsburg , Hessen , Germany

Running Springs , California , USA

Estonia

Neubeuern , Bayern , Germany

Bremen , Germany

Ede , Netherlands

Ontario , Canada

Sarasota , Florida , USA

Wien , Austria

Washougal , Washington , USA

Brussel , Belgium

Amsterdam , Netherlands

Halifax , Nova Scotia , Canada

Москва , Moskva (Moscow) , Russia