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, based on manpower and cost of constructing the Hoover Dam on the Colorado River during the Great Depression. The dam contains a volume of concrete roughly equal to the stone in the pyramid. By comparison, the 1,776-foot-tall One World Trade Center being constructed in downtown Manhattan will cost an estimated $4 billion.
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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, based on manpower and cost of constructing the Hoover Dam on the Colorado River during the Great Depression. The dam contains a volume of concrete roughly equal to the stone in the pyramid. By comparison, the 1,776-foot-tall One World Trade Center being constructed in downtown Manhattan will cost an estimated $4 billion.
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