Free audio guide app offers a geolocated audio guide dedicated to Porta degli Angeli, delivering location‑triggered narratives as you stand on the restored metal bridge or circle the gate. Discovery Mode highlights the 360‑degree views over the Rossettian walls and Giorgio Bassani Urban Park, while Tour Mode frames its role as a 16th‑century watchtower and ceremonial city gate. The narration emphasizes these defining elements to enrich on‑site listening.
