Caves around the world- Puerto Princesa subterranean river
It is located in Palawan, Philippines. This river national park is one of the new seven wonders of nature. The river in the cave is accessible by boat up to four kilometers but you can’t explore it further because of lack of oxygen
It is located in Palawan, Philippines. This river national park is one of the new seven wonders of nature. The river in the cave is accessible by boat up to four kilometers but you can’t explore it further because of lack of oxygen