By Steve Connor, Science Editor
Published: 30 March 2007
It was one of the seven wonders of the ancient world, and the only one of them to remain standing today.
Yet the story of how the Great Pyramid of Giza was actually built has remained a mystery for more than four millennia - until, perhaps, now.
A French architect believes he has finally solved one of the most puzzling construction problems in history by working out how the ancient Egyptians built such a massive structure without the benefit of iron tools, pulleys or wheels. more
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