Tourist boat floating through the 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 tourist boat puerto princesa river national park unesco world heritage site palawan philippines southeast asia asia puerto princesa subterranean river national park natural landmark nature rock rock formation limestone water large group of people tourism passenger men women female male adult travel exploration discovery journey transportation cave side view life jacket sitting three quarter length geology stalactite reflection grey bright light illuminated dark filipino culture outdoors day colour color image color outside places of interest group the natural world reflecting reflected transport unesco world heritage sites unesco world heritage site world heritage sites tourists holiday maker holiday makers on holiday