Secrets of the world. A secret underground pyramids

We are sure that we know all about the pyramids. When it comes to the pyramids, we immediately remember Egypt and Mexico. Every tenth citizen of our country is the picture of Egyptian pyramids in Giza. However, few people know that these ancient structures are on all continents and in virtually every country of the world. They are even found on the ocean floor, and, surprisingly, right under our feet.

Category: Mystery stories

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