![Tourists on a banca explore the Puerto Princesa Subterranean River National Park at Kabayugan town, Puerto Princesa, Palawan, western Philippines, February 13, 2011. The 8.2km (5 miles) long Puerto Princesa Subterranean River Tourists on a banca explore the Puerto Princesa Subterranean River National Park at Kabayugan town, Puerto Princesa, Palawan, western Philippines, February 13, 2011. The 8.2km (5 miles) long Puerto Princesa Subterranean River](https://c8.alamy.com/compes/2d0ank0/tourists-on-a-banca-explore-the-puerto-princesa-subterranean-river-national-park-at-kabayugan-town-puerto-princesa-palawan-western-philippines-february-13-2011-the-8-2km-5-miles-long-puerto-princesa-subterranean-river-national-park-was-included-in-the-unesco-list-of-world-heritage-sites-on-december-4-1999-for-its-ecological-universal-value-and-features-a-limestone-formation-that-contains-an-underground-river-that-is-reputed-to-be-the-longest-navigable-underground-river-in-the-world-the-park-is-attempting-to-be-voted-one-of-the-new-7-wonders-of-nature-reuters-romeo-ranoco-philippin-2d0ank0.jpg)
Tourists on a banca explore the Puerto Princesa Subterranean River National Park at Kabayugan town, Puerto Princesa, Palawan, western Philippines, February 13, 2011. The 8.2km (5 miles) long Puerto Princesa Subterranean River
![File:Puerto Princesa Subterranean River National Park, One of The New 7 Wonders of Nature, Palawan.jpg - Wikimedia Commons File:Puerto Princesa Subterranean River National Park, One of The New 7 Wonders of Nature, Palawan.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/a/af/Puerto_Princesa_Subterranean_River_National_Park%2C_One_of_The_New_7_Wonders_of_Nature%2C_Palawan.jpg)
File:Puerto Princesa Subterranean River National Park, One of The New 7 Wonders of Nature, Palawan.jpg - Wikimedia Commons
![Puerto Prinsesa Underground River in Palawan Philippines # 1 of the 7 WONDERS OF THE WORLD 2012 | Wonders of the world, Palawan, Puerto princesa Puerto Prinsesa Underground River in Palawan Philippines # 1 of the 7 WONDERS OF THE WORLD 2012 | Wonders of the world, Palawan, Puerto princesa](https://i.pinimg.com/originals/c5/34/ba/c534ba916a857edb70f8f3efc8dee61b.jpg)
Puerto Prinsesa Underground River in Palawan Philippines # 1 of the 7 WONDERS OF THE WORLD 2012 | Wonders of the world, Palawan, Puerto princesa
![Tour Boat Exiting The Puerto Princesa Underground River Cave One Of The New 7 Wonders Of The World Foto de stock - Getty Images Tour Boat Exiting The Puerto Princesa Underground River Cave One Of The New 7 Wonders Of The World Foto de stock - Getty Images](https://media.gettyimages.com/id/1456979902/photo/tour-boat-exiting-the-puerto-princesa-underground-river-cave-one-of-the-new-7-wonders-of-the.jpg?s=612x612&w=gi&k=20&c=nvBkd0Q_Cu1tKKLfAQ-hOyrhn8XlK3DZElR8R_jixk0=)
Tour Boat Exiting The Puerto Princesa Underground River Cave One Of The New 7 Wonders Of The World Foto de stock - Getty Images
Puerto Princesa Underground River: One of the seven natural wonders of the world - Be On The Road | Live your Travel Dream!
![Underground River Most-Voted in New 7 Wonders Latest Ranking | Nugglepurl | Puerto princesa, Puerto princesa subterranean river, Wonders of the world Underground River Most-Voted in New 7 Wonders Latest Ranking | Nugglepurl | Puerto princesa, Puerto princesa subterranean river, Wonders of the world](https://i.pinimg.com/originals/8c/7d/76/8c7d76c6e4cd7a67baac56cddbbc05b3.jpg)