colle di val d`elsa, siena, tuscany, italy: the ancient city walls with moat, bridge and city gate

age ages ancient and antique architecture bridge building castle city cityscape colle defense delsa ditch doorway dramatic entrance famous fort fortification fortified fortress gate historic historical history italian italy landmark landscape medieval middle moat monument nova old outdoor palace picturesque porta siena sky stronghold sunset tower town townn tuscan tuscany val wall walls