Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Residences of the Royal House of Savoy' has mentioned 'UNESCO World Heritage Site' in the following places:
Occurrence Sentence Text Source
All these buildings have been jointly listed as a UNESCO World Heritage Site on the basis that they "represent the best in European monumental architecture from the 17th and 18th centuries, expressing in their style and opulence a potent demonstration of the power of absolute monarchy in material terms".