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Traditional, double outrigger boats called banca glide across the glass-like waters of Palawan, an idyllic island province in the Philippines ... through an underground river, swimming in hidden ...

Palawan, a cluster of islands in the Philippines, is breathtakingly beautiful. Home to underground rivers ... the Puerto-Princesa Subterranean River National Park and Tubbataha Reefs.

The most beautiful natural site in the Philippines is the Puerto Princessa underground river. This spectacular ... Located on ...