(Christian Science Monitor) Researchers have found something hidden in the Great Pyramid of Giza, but they're not sure what it is yet.
Thermal scans revealed an anomaly in the ancient walls of the pyramid. While much of the wall uniformly heats up and cools down each day, a spot on the eastern side of the structure behaves differently. There was a six degree Celsius (11 F.) difference in temperature compared with surrounding stones.
That distinct heat signature could mean some passage, room or other insight is hidden in or behind that wall.
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