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The Old Kingdom period in Ancient Egyptian history is also known as the
pyramid building era. The Ancient Egyptians achieved the most remarkable
feats of building work which have still not been surpassed, particularly
given the primitive technology used to build them. There is nothing
remotely mystical or magical about how the pyramids were built as is
commonly thought. Further still, while popular belief is that the Great
Pyramid was built using slave labour, this theory has since been debunked.
The first building made in a pyramid shape is thought to be the Stepped
Pyramid which consists of six steps placed on top of each other in a pyramid
shape to create the world's first superstructure. The credit to finally
achieving a smooth sided pyramid goes to Imhotep, an architect
commissioned by King Sneferu. The pyramids were not an instant
achievement, but the achievement of trial and error.