science

Cosmic rays reveal 'hidden' 30-foot-long corridor in Egypt's Great Pyramid


Cosmic rays and photos from an endoscope have revealed a “hidden” corridor inside the Great Pyramid of Giza‘s north face, above the pyramid’s ancient entrance, new research finds. 

The Great Pyramid was built on orders of the pharaoh Khufu (ruled circa 2551 B.C. to 2528 B.C.) on the Giza plateau and today is about 456 feet (139 meters) high. It is the only surviving wonder of the ancient world and was the tallest building on Earth until 1311, when England’s Lincoln Cathedral’s 525-foot-tall (160 m) central tower was completed.



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