Cardiff , United Kingdom

Cambridge , Cambridgeshire , United Kingdom

Riga , Latvia

Berkeley , California , USA

Germany

Xi'anyang , Shaanxi , China

New York , USA

Sweden

Texas , USA

Lamia , Fthiotis , Greece

texas , USA

Terrace , British Columbia , Canada

Nieuw Heeten

Irvine , California , USA

Poland

Marburg , Hessen , Germany

Austin , Texas , USA

Græsted , Nordsjælland , Denmark

Cologne , Nordrhein-Westfalen , Germany

Finland