Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Villa Adriana (Tivoli)' has mentioned 'Concrete' in the following places:
Occurrence Sentence Text Source
The island enclosure (known as the Maritime Theatre) uses the classical Ionic order, albeit in a novel way; the triclinium of the so-called Piazza dxe2x80x99Oro and the Serapeum were covered with Roman segmented concrete domes, probably designed by Hadrian himself.