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| Calbiga Cave – The Philippines’ biggest karst formations and one of the largest in Asia, the 2,968-hectare cave system is composed of 12 caves with wide underground spaces, unique rock formations and sub-terranean watercourse. |
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| Angono Petroglyphs – This cultural heritage site dates back to circa 3000 B.C. and is the most ancient Filipino, or more aptly, prehistoric Filipino work of art. Besides being the country’s oldest “work of art” it also offers us an evocative glimpse into the life of our ancestors. The site has been included in the World Inventory of Rock Art under the auspices of UNESCO, ICCROM and ICOMOS and nominated as one of the “100 Most Endangered Sites of the World. |
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