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Hidden for 4,500 years: A sealed corridor in the Great Pyramid

The ScanPyramids team found a sealed corridor inside the Great Pyramid of Khufu - about 9 meters long, 2.1 meters wide, ...
Modern Engineering Marvels on MSN

Great Pyramid camera probe exposed a sealed corridor above the entrance

What does a monument famous for being studied to exhaustion still manage to hide? Inside the Great Pyramid of Khufu, a passage no tourist had seen and no excavator had opened came into view through a ...