Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...
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'Sacred' pyramid built by forgotten society in Amazon rainforest may be tallest ancient structure
A strange peak in the middle of the Amazon rainforest may actually be the largest pyramid ever built in the ancient world. Known as Cerro El Cono, this massive, pyramid-shaped formation is cloaked in ...
Why it's incredible: El Cono stands alone in the rainforest and has a mysterious pyramidal shape. Cerro El Cono is a 1,310-foot-tall (400 meters), pyramid-like formation in the Amazon rainforest. It ...
A strange peak in the middle of the Amazon rainforest may actually be the largest pyramid ever built in the ancient world. Known as Cerro El Cono, this massive, pyramid-shaped formation is cloaked in ...
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