In Search of Aliens: The Mystery of Puma Punku

The ruins at Puma Punku feature massive blocks of extremely hard andesite stone. They are cut into complex interlocking shapes with perfect right angles and smooth boreholes. The blocks are so precise they are modular—meaning they are interchangeable parts, like giant, industrial Lego bricks. We are told these were fashioned by a culture with no iron or steel tools, just using stone hammers and sand for abrasion. To any modern engineer or machinist, that claim is laughable. You don't achieve mic

3D Scans Just Solved the Puma Punku Mystery — The H Blocks Were Not What We Thought | Anne Durham