Lost City of the 'Cloud People' Unearthed in the Andes Thanks to LiDAR Tech!

2025-05-25
Lost City of the 'Cloud People' Unearthed in the Andes Thanks to LiDAR Tech!
The Jerusalem Post

A groundbreaking discovery in the Peruvian Andes is rewriting history! Thanks to cutting-edge LiDAR (Light Detection and Ranging) technology, archaeologists have uncovered a sprawling complex of over 100 ancient structures belonging to the enigmatic Chachapoya culture, often dubbed the 'Cloud People' due to their mountainous homeland.

The remarkable find, announced by the World Monuments Fund (WMF), centres around the Gran Pajatén complex. Previously, only a handful of buildings were visible from the ground, hidden within the dense cloud forests. However, LiDAR’s ability to penetrate vegetation and map the terrain with incredible precision has revealed a vast urban landscape, far larger and more sophisticated than previously imagined.

Who were the Chachapoya? This pre-Inca civilization thrived in the northern Andes of Peru between 800 and 1470 AD. Known for their impressive stone architecture, intricate pottery, and fierce independence, the Chachapoya fiercely resisted Inca expansion for decades before finally being conquered. Their remote location and the dense jungle that has enveloped their settlements for centuries have made archaeological investigation incredibly challenging – until now.

LiDAR: A Game-Changer for Archaeology LiDAR technology uses laser pulses to create detailed 3D maps of the ground surface. This allows archaeologists to 'see' through dense vegetation and identify features that would otherwise remain hidden. The use of LiDAR at Gran Pajatén has been transformative, revealing a complex network of buildings, plazas, and agricultural terraces.

What has been discovered? The LiDAR scans have revealed:

  • Over 100 structures: Including what appear to be ceremonial buildings, residential areas, and defensive fortifications.
  • Extensive agricultural terraces: Indicating a sophisticated agricultural system capable of supporting a large population.
  • A complex urban layout: Suggesting a well-organised society with a hierarchical structure.

“This discovery is a major breakthrough in our understanding of the Chachapoya civilization,” says a spokesperson for the WMF. “It provides unprecedented insight into their architectural skills, their social organization, and their regional influence. Gran Pajatén was clearly a significant urban centre, and its rediscovery will undoubtedly spark further research and exploration.”

Looking Ahead: Protecting the 'Cloud People's' Legacy The discovery of Gran Pajatén underscores the importance of protecting Peru’s rich archaeological heritage. The WMF is working with local communities and the Peruvian government to develop a sustainable tourism plan that will preserve the site for future generations while providing economic opportunities for the region. Further excavations are planned, promising even more exciting discoveries about the fascinating 'Cloud People' and their lost world in the Andes.

This is just the beginning of a new chapter in the story of the Chachapoya, and LiDAR technology is proving to be an invaluable tool in unlocking the secrets of the past.

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