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TIL The ancient Kingdom of Benin (Edo State, Nigeria) has the largest man-made structure, considered as the largest single archaeological phenomenon on earth. Four times longer than the Great Wall of China,
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Largest man made structure ever moved... : r/megalophobia
The Myth of the Megalith | The New Yorker
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MOART Company Ltd. - Did you know? The Great wall of Benin was the largest Man-made structure in the world!! | Facebook
What is the greatest man-made structure ever built? - Quora
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The World's Tallest, Deepest, Longest, Largest Volume and Most Expensive... Man-Made Structures | Visual.ly
EMC3 | The Walls of Benin City was the world's largest man-made earth structure.
10 Tallest Man-Made Buildings From The Ancient World
Story of cities #5: Benin City, the mighty medieval capital now lost without trace | Cities | The Guardian
These are the world's tallest structures throughout history | World Economic Forum
12 famous buildings in India - CNN Style
The Benin Moat: Largest Man Made Earthworks - Edoaffairs
