Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Rila Monastery' has mentioned 'UNESCO World Heritage Site' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| The monastery complex, regarded as one of the foremost masterpieces of Bulgarian National Revival architecture, was declared a national historical monument in 1976 and became a UNESCO World Heritage Site in 1983. | WIKI |