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The Great Pyramid of Giza is the last remaining Wonder of the Ancient World and mystery still surrounds it to this day. The ...
The extra sides likely helped the pyramid survive all these 4,500 years. CLOSE. ... "In other words, the Great Pyramid is a concave octagonal pyramid, rather than the standard square pyramid.
Those extra sides may be the reason the pyramid has lasted 4,500 years. CLOSE. ... "In other words, the Great Pyramid is a concave octagonal pyramid, rather than the standard square pyramid.