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Ancient 4,500-year-old pyramid may hide a secret doorway

The Great Pyramid at Giza has been studied for centuries, yet new scans of the 4,500-year-old monument suggest it may still ...
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Researchers may have found a secret entrance in the pyramids of giza

Fresh scans of the Pyramid of Menkaure on the Giza Plateau have revealed hidden internal voids that may line up with an unknown passageway, raising the possibility that a long-concealed entrance is ...