How long did the Great Pyramid take to build?

While the pyramid was originally built by 4,000 workers over the course of 20 years using strength, sleds and ropes, building the pyramid today using stone-carrying vehicles, cranes and helicopters would probably take 1,500 to 2,000 workers around five years, and it would cost on the order of $5 billion, Houdin said, ...



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But estimates suggest each pyramid could have taken somewhere between 15-30 years to complete. Around 118 different pyramids all across Egypt have been identified.

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The Greek historian Heroditus reported in the fifth century BCE that his Egyptian guides told him 100,000 men were employed for three months a year for twenty years to build the Great Pyramid; modern estimates of the number of laborers tend to be much smaller.

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About 2,550 B.C., King Khufu, the second pharaoh of the fourth dynasty, commissioned the building of his tomb at Giza. Some Egyptologists believe it took 10 years just to build the ramp that leads from the Nile valley floor to the pyramid, and 20 years to construct the pyramid itself.

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Many people have said that the pyramids would last 1 million years or even until the world ended, but I'd say around 10,000 to 100,000 years based on current observations.

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Six of these ancient structures were destroyed either by natural causes like earthquakes or by human plundering — except for the Great Pyramid of Giza.

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The Great Sphinx of Giza is a limestone statue of a reclining sphinx, a mythical creature with the head of a human and the body of a lion. Facing directly from west to east, it stands on the Giza Plateau on the west bank of the Nile in Giza, Egypt. The face of the Sphinx appears to represent the pharaoh Khafre.



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Considering the pyramids were built more than four thousand years ago, the exact technique of construction remains a mystery and modern-day equipment was not available at the time.

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The Great Pyramid of Giza It took around 20 years to finish and became the tallest structure in the world until the building of the Eiffel Tower. The surrounding pyramids create an astonishingly accurate alignment with the stars, making this construction truly unique.

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Today's cost of the 2,300,000 limestone blocks used to build Pharaoh Khufu's Great Pyramid amounts to $495 per block. Each block is estimated at 2.5 ton and the cost per ton is just under $200, making the total cost for the pyramid itself, $1.14 billion.

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Did you know that ancient sites like Easter Island, Nazca, Ollantaytambo, Paratoari, Tassili n'Ajjer and the Pyramids of Giza are all aligned on a single great circle?

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NARRATOR: According to this theory a fanatical dervish named Muhammad Saim al-Dahr was responsible. He is said to have hired some men to smash off the Sphinx's nose as she was still worshipped as a false god. To this day, the Arabs refer to the Sphinx as Abul Hol or father of terror.

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But what the Egyptians lacked in tools, they made up for with science and engineering precision. Smith explains that they developed and used the cubit rod to measure and lay out the dimensions of the pyramid; a square level to level horizontal surfaces, and a 3:4:5 framing square to create precision 90-degree angles.

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Considering the pyramids were built more than four thousand years ago, the exact technique of construction remains a mystery and modern-day equipment was not available at the time. It is believed that ancient Egyptians ferried the huge stone blocks on the Nile river.

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There are thousand of pyramids around the world, including more than 100 in Egypt, double that in Sudan and dozens in the Middle East and China. The Americas have more pyramids than the rest of the world combined.

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Pyramids weren't constructed to contain mummies; tombs were. There were a variety of tombs: simple pit-graves, mastabas, burial chambers beneath pyramids, and rock-cut cliff tombs were the chief ones.

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