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Kuhikugu

Cluster of some twenty pre-Columbian settlements across 20,000 km2 of the upper Xingu, Brazil — moated plazas, causeways and bridges rather than stone monuments, home to perhaps 50,000 people before European disease collapsed the network.

Dated events and their evidence

• 500 CE mainstream
  earliest garden-city settlements (Heckenberger survey) source
• 1600 CE mainstream
  network collapse following European-introduced disease source

Where

12.5583° S, 53.1111° W

Sources

• https://en.wikipedia.org/wiki/Kuhikugu

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