The Puerto Princesa Subterranean River is not only a natural marvel but also a testament to the incredible beauty and biodiversity found in the Philippines. It remains a popular destination for ecotourism, drawing visitors from around the world to experience the wonder of this underground river.

Fireflies, also known as lightning bugs, are enchanting insects that emit light through a chemical reaction in their abdomen. In Palawan, particularly in the Puerto Princesa area, fireflies can be observed in their natural habitat, creating a magical and mesmerising spectacle.