Subterranean River

Tourists on a banca explore the Puerto Princesa Subterranean River National Park at Kabayugan town, Puerto Princesa, Palawan, western Philippines. The 8.2km (5 miles) long Puerto Princesa Subterranean River National Park was included in the <a class="taxInlineTagLink" id="ORGOV0000249" title="UNESCO" href="/topic/crime-law-justice/unesco-ORGOV0000249.topic">UNESCO</a> 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 photo / February 13, 2011 )

Tourists on a banca explore the Puerto Princesa Subterranean River National Park at Kabayugan town, Puerto Princesa, Palawan, western Philippines. 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.

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