Jon Ellison wrote:

> I agree
>
> To clarify.
> In my opinion it is beyond all reasonable doubt that the
> recently discovered marks behind the blocking stone in the QC
> "airshaft", which were recently discovered by drilling the
> block and inserting a miniature camera, are contemporaneous
> with at least one stage of the pyramid construction.
>
> There is debate and contention as to the originality and
> provenance of all other markings that are, and have been
> directly accessible by humans.
>
> It is my understanding that the marks behind the blocking stone
> in the "airshaft" have not yet been deciphered.
> They are of unknown meaning and purpose.

There is one other place with glyphs in G1 which I believe most certainly are contemporaneous with its construction: The west wall of the southern shaft, where Djedi detected "markings" about 2/3 of the way up the shaft. For example, see marker 3:07 here:

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