Mysteries Department
Sign inRequest access
Answer · How the Great Pyramid was built

An internal ramp inside the outer part of the pyramid carried blocks to the upper courses (Houdin).

An internal ramp inside the outer part of the pyramid carried blocks to the upper courses (Houdin).

DisputedAnswers 1 questionPublished0

Where it stands

DisputedNone pieces of evidence for, one against. It needs two reviews to be accepted.

What it predicts

  • A continuous spiral void of ramp cross-section within the outer 10 to 15 m of the pyramid.

What would rule it out

  • Muon and microgravimetric surveys showing no such continuous void.

Evidence none for · 1 against

The questions it answers

Most likelyShorter, steeper ramps were used with post-and-rope haulage of the kind excavated at Hatnub, combined with…

Cite it

Mysteries Department. (2026). An internal ramp inside the outer part of the pyramid carried blocks to the upper courses (Houdin). [Answer ANS0CSMNXY80SFV]. https://mysteriesdept.com/r/ANS0CSMNXY80SFV
Private beta Downloads are for beta members

We're in a private beta while we get things right. Everything here is free to read; downloading datasets, sources and code is open to members for now.

It takes a couple of minutes. We'll reply by email.