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❋Nature
Biak-na-Bato National Park
San Miguel, Bulacan
A dramatic karst landscape of caves, ravines, and underground rivers in the limestone hills of San Miguel, Bulacan. Andrés Bonifacio's Katipunan used these caves as a revolutionary headquarters in 1896; Emilio Aguinaldo signed the Pact of Biak-na-Bato here in 1897. The park draws cavers and historians in equal numbers—some chambers still bear traces of that era's occupation.
📸 Andrew Martin (CC BY 3.0), Ramon FVelasquez (CC BY-SA 3.0) via Wikimedia Commons
bulacancaveskarstphilippine revolutionkatipunanhistoryspelunking
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15.130°N · 121.045°E
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