Ключевые слова: adventure, asia, beautiful, blue, boat, cave, dark, destination, geology, heritage, island, landmark, landscape, motorized boat, mountain, national, national park, nature, outriger, outriggers, palawan, park, paul, phiippines, philippines, princesa, puerto, puerto princesa, puerto princesa subterranean river national park, river, rock, sabang, sea, sky, subterranean, subterranean river, summer, tourism, tourist, tourist attraction, travel, tropical, tropical island, underground, underground river, unesco, unique, water, wonders, world,