The system stretches up to 16 km (10 miles) inland and includes Green Grotto, a vast cavern with an underground lake where stalactites are clearly reflected in the glassy water.
The Green Grotto cavern is over 500 feet high.
mnli hypothesis: The Green Grotto cavern is over 500 feet high. premise: The system stretches up to 16 km (10 miles) inland and includes Green Grotto, a vast cavern with an underground lake where stalactites are clearly reflected in the glassy water.