a panorama view of the eighteenth century, three-kilometer long nottolini aqueduct in lucca italy

panorama view eighteenth century threekilometer long nottolini aqueduct lucca italy ruins slope structure tall traditional bridge roman architecture water european landmark old ancient arch construction history stone europe culture engineering monument wall building rome travel city historic scenic medieval tourism architect brick cistern tuscany italian nature outdoors pillars symbol tuscan antique arches columns temple san concordio summer