Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Val d'Orcia' has mentioned 'Fortifications' in the following places:
Occurrence Sentence Text Source
Merchants supported the development of settlements, built fortifications, villas and churches and commissioned paintings by artists such as Giovanni di Paolo and Sano di Petri, artists who reinforced the Renaissance utopian ideals on which the landscape was created.
The materials of the built structures (fortifications, villas, churches, streets, farmhouses), many dating to the Renaissance period, along with their architectural forms, homogeneity and extent, are distinctive and historically truthful.