Rice Terraces of the Philippine Cordilleras
How did the Ifugao sculpt tens of thousands of hectares of self-watering terraces into near-vertical mountainsides using only wood and stone hand tools, and are these rice fields two thousand years old, or barely four hundred?
Traditionally dated to c. 1st century CE; recent radiocarbon work argues for c. 1600 CE (disputed) · Ifugao Province, Cordillera, Luzon, PhilippinesAdded July 2026