How Much Would It Cost to Build the Great Pyramid Today?
Even with cranes, helicopters, tractors and trucks at our disposal, it would be tough to construct the Great Pyramid of Giza today. Its construction 4,500 years ago is so astounding in some people's eyes that they invoke mystical or even alien involvement. But the current theory of the building of the Great Pyramid — the notion that it was assembled from the inside out, via a spiraling internal ramp — is probably still the best construction plan.
Following that plan, we could replicate the Wonder of the Ancient World for a cool $5 billion.
First, let's look at the blueprint: The pyramid is 756 feet long on each side, 481 feet high, and composed of 2.3 million stones weighing nearly 3 tons each for a total mass of 6.5 million tons. Legend has it that the structure was erected in just 20 years' time, meaning that a block had to have been moved into place about every 5 minutes of each day and night. That pace would have required the (slave) labor of thousands. While traditional theories hold that the pyramid was built via a long external ramp, such a ramp would have had to wind around for more than a mile to be shallow enough to drag stones up, and it would have had a stone volume twice that of the pyramid itself....
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