How Was the Great Pyramid Built So Quickly?

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By Dig Labs Contributors
Source: Dig Labs Project

The Great Pyramid of Giza was built in a remarkably short duration of time, likely between 20 and 27 years. How was this accomplished?

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Dig Labs Contributors
Investigating historic and prehistoric mysteries together through crowdfunded research.
SOURCE
Dig Labs Project

Introduction

Without the use of pulleys, wheels, or iron tools, the Great Pyramid of Giza was built in a remarkably short duration of time, likely between 20 and 27 years. How did the ancient Egyptians accomplish this feat?