How Were Pyramid Blocks Lifted and Placed With Precision Without Iron Tools, Pulleys, or Advanced Cranes?

Source: Dig Labs Project

How did people lift the pyramid blocks, some weighing hundreds of tons, with such precision?

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

Introduction

Ancient peoples didn't have access to forklifts, pulleys, cranes, or other advanced construction technology. How did they lift the pyramid blocks, some weighing hundreds of tons, with such precision?

Area » Dig Labs