civita di bagnoregio has etruscan and medieval origins.as khow as the town that is dying

ancient architecture bagnoreggio bagnoregio beautiful blue borough bridge building city cityscape civita constant dying erosion etruscan europe famous fortress hill historic italia italian italy khow landmark landscape lazio medieval mountain nature old originsas panorama panoramic rock rocks scenic sky stone summer tourism tourist town travel tuff tuscany umbria vacation valley view village vintage viterbo