Huge network of ancient cities uncovered in the Amazon rainf

(CNN) — Archaeologists working deep in the Amazon rainforest have discovered an extensive network of cities dating back 2,500 years.The highly structured pre-Hispanic settlements, with wide streets and long,<a class="excerpt-read-more" href="https://whdh.com/news/huge-network-of-ancient-cities-uncovered-in-the-amazon-rainforest/">Read More</a>

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