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Watch Secrets of the Dead Season 20 Episode 5 Online

  • 6.1/10
  • COUNTRIES: United Kingdom,United States of America
  • Subtitles: English

Recent discoveries, including funerary urns with highly decorative patterns, and technological advances like the remote sensor system known as LiDAR, are shedding new light on our understanding of pre-Columbian societies in the Amazon. Scientists speculate the rainforest was home to between 8 and 10 million people living in large, well-established communities.