Ключевые слова: anguillara, calcata, carved house, castle, central italy, civita di bagnoregio, cliff, crag, diving, erosion, eruption, etruria, etruscan, fortified walls, fortress, italian renaissance, italy, lake vico, landmark, landscape, latium, lazio, medieval burg, medieval town, middle age, national museum, old town, perspective, renaissance, rome, ronciglione, stone village, tourism, tourist, tourist attraction, tourist destination, travel destination, tuff rock, tuscia, vertical cliff, view, viterbo, volcanic rock, volcano, walled town,