Puerto Princesa underground river, the New Wonder of the World, Puerto-Princesa Subterranean River National Park, UNESCO World Heritage Site, Palawan, Philippines, Southeast Asia, Asia

travel destination photography colour image horizontal puerto princesa river unesco world heritage site palawan philippines southeast asia asia national park puerto princesa subterranean river national park natural landmark nature rock rock formation limestone water cave incidental people sunlight bright light light at the end of the tunnel reflection geology stalactite grey illuminated dark outdoors day colour color image color outside places of interest background people people in the background the natural world reflecting reflected unesco world heritage sites unesco world heritage site world heritage sites