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Meridiana in piazza Obizzo Malaspina Tortona DSC. Vertical sundial in Tortona it Tony Frisina it Tony Frisina Original upload log it MeridianainpiazzaObizzoMalaspinaTortonaDSC bytes Tony Frisina no Tony Frisina Alessandria Vertical sundials in Italy Sundials in Piedmont Tortona Photographs by Tony Frisina