Stonehenge: Mysteries & Theories 🏛️

From an ancient sound illusion to a symbol of unity, researchers have proposed dozens of theories for why the mysterious megaliths were erected at Stonehenge 5,000 years ago. Read more about this wonder of the world: https://www.livescience.com/44283-why-stonehenge-was-built-theories.html

This video was originally published February 10, 2021

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