chimacharles

When it comes to life on Earth and human history, scientists and historians have some of the answers, but not all of them. They're great at their job, and they can reach grand conclusions based on tiny clues and pieces of evidence, but sometimes they encounter something that leaves them totally stumped. That's what today's video is about. These are the strange and wonderful places all over the world that are amazing to see, but impossible to understand even for a scientist!

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