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عربية – DW
Why the Great Pyramid Survives Quakes
The modern study suggests that the Great Pyramid of Giza, despite being over 4,600 years old, remains resilient against erosion and earthquakes. This can be explained by its natural resonant frequencies, which are significantly different from the Earth's frequency in the region, thus reducing the likelihood of vibration amplification during seismic events. Its average resonance frequency is approximately 2.3 Hz, while the Earth's frequency is estimated at about 0.6 Hz, contributing to the structure's protection from damage. Each side of its base measures 230 meters in length, and its original height was 147 meters before it reduced to about 138.5 meters.
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