Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Historic Centre of the City of Pienza' has mentioned 'Valley' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| In 1996, UNESCO declared the town a World Heritage Site, and in 2004 the entire valley, the Val d'Orcia, was included on the list of UNESCO's World Cultural Landscapes. | WIKI |