Spirals around the world Location: Level13 Sort byLocation between Markovo village and the city of Plovdiv, Bulgaria Boulder, Colorado, USA Boulder, Colorado, USA Boulder, Colorado, USA Bremen, Germany BREZJE, Slovenia Campo di Pietra di Salgareda, Treviso, Italy Capraia e Limite, Florence, Italy Capraia e Limite, Toscany, Italy 1234...13