Pawod Underwater Cave System (PUCS), 10.280254°N, 123.989112°E, is the only known freshwater underwater cave system in an urban setting (within 25 kilometers of more than 1 million population). Littered inside the cave system are fossils (cast) of marine animals ranging from small corals to giant clams. Inside the main chamber are boulder formations that may … Continue reading Docboy’s Cave aka the Pawod Underwater Cave System