Free audio guide app provides geolocated audio guides tailored to Piazza del Popolo, letting you listen to the stories of the places you visit while you walk around Valadier’s elliptical piazza and the 24 m Egyptian obelisk. Location-triggered narration and ambient soundscapes reveal the square’s architectural layering and the three churches’ spatial framing, creating an on-site listening route that enriches outdoor exploration with concise, informative guidance.
