Copper was one of the most valuable materials in all of ancient Egypt and essential to constructing the pyramids. But getting it to Cairo and making sure every last bit of it was used was a painstaking process.
The Great Pyramid of Giza is the last of the Seven Wonders of the Ancient World still in existence and one of history's greatest mysteries. How was the 50-story monument built by a Bronze Age society with only simple hand tools at their disposal? Follow experts Mark Lehner and Peter James as they attempt to solve this puzzle, armed with a radical new approach and a 4,500-year-old diary that gives an eyewitness account of the monument's construction.
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