Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Puerto-Princesa Subterranean River National Park' has mentioned 'Yucatán Peninsula' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Until the 2007 discovery of an underground river in Mexico's Yucatxc3xa1n Peninsula,[5] the Puerto Princesa Subterranean River was reputed to be the world's longest underground river. | WIKI |