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Ron Van Oers · CC BY-SA 3.0 igo
Landmark East Asia wonder

Puerto Princesa Underground River

3000 BCE – still standing

World's longest navigable underground river in the Philippines

Wikipedia

The opening of the article, and a way into the rest of it without leaving the site.

Puerto Princesa Subterranean River National Park on Wikipedia.

Who held this ground

Borders from dated snapshots, up to a century apart; precision varies.

Reconstruction

  1. Austronesians (3000 BCE–2000 BCE) Border precision: Approximate
  2. No border recorded here in this snapshot (1500 BCE–300 BCE)
  3. Malays (200 BCE) Border precision: Approximate
  4. No border recorded here in this snapshot (100 BCE–700 CE)
  5. Malay (800 CE–900 CE) Border precision: Approximate
  6. No border recorded here in this snapshot (1000 CE–1400 CE)
  7. Philippines (1492 CE–1500 CE) Border precision: Approximate
  8. No border recorded here in this snapshot (1530 CE–1600 CE)
  9. Philippines (1650 CE–2026 CE) Border precision: Defined
Border precision
  • Defined
  • Approximate

Elsewhere in East Asia at the time

Records whose own span overlaps this one, found by the same test the canvas draws with. The bar under each card is where it sits inside this one.

See the whole view
Image credits 8 pictures from Wikimedia Commons