Free audio guide app delivers a geolocated audio guide dedicated to Casa del Boia, designed for listening as you circle the building and trace the nearby Baluardo San Salvatore. Discovery Mode times narration to your approach, offering concise insights into its isolated role by the city walls and its later silk-mill phase within the context of the Via Francigena. Tour Mode and light gamification add points and digital souvenirs to the outdoor visit.
