Puerto Princesa Underground River is a subterranean flowing body of water located in the island of Palawan. It is a contender of the worlds longest underground river. In 1992, it became a national park managed by the local government of Puerto Princesa.
Results May Change
The New7Wonders Foundation said that the results may change pending the recount and validation of voting resutls. The final results will be announced during the Official Inauguration early next year, 2012.