Light and laughter underground Puerto Princesa underwater river attracts large number of tourists.
| Argitaratua izan da: | Cruising Vol. 14, no. 1 (Jun. 2012), 30-33 |
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| Egile nagusia: | |
| Formatua: | Artikulua |
| Hizkuntza: | English |
| Argitaratua: |
2012
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| Gaiak: |