Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Puerto-Princesa Subterranean River National Park' has mentioned 'World Heritage' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| It was listed as a UNESCO World Heritage Site in 1999, and voted as a New7Wonders of Nature in 2012. | WIKI |
| It was inscribed by UNESCO as a World Heritage Site on December 4, 1999. | WIKI |