So, I just tried accessing the hall at the Great Sphynx location.
A very interesting experience, too complicated to describe. I'll report the highlights.

I tried about three times, it wasn't easy.
I am still not sure if I was successful.
Chaol, I brought you a quartz crystal, put it in your hand... in case that happened.

On the first two attempts I didn't know if I was there. Saw a hall with points of light from the ceiling line, casting down along the walls, with painted inscriptions. On second attempt, couldn't see anything. On third attempt, at first the walls didn't make sense, looked dull, and somewhat wobbling.

You told me to make it more relative, it was the reason I couldn't see what was there, then it was like a surface layer of the wall was moved aside, and the real inscriptions behind that layer appeared.

It looked now that the light was being emanated by each inscription. Very luminous. The hall became bright and colorful. The light had all different shades of colors. These were the original colors, I thought!

When touching an inscription, it seemed to emanate a nice sound.

The room with the books was always to the right. A sound of water (maybe the city) felt to the left at the end of the hall, going more underground.

I often turned back to look at Sekhmet, while imagining to be her projection at the same time. I could see my hands, but they were black and shiny, while being Sekhmet.

I asked you to see how the replica of the timeline looked like. I got it to be the luminous inscriptions, the entire hall itself. It had a high tech feeling to it.

In the library room, there was a high tech device with bluish light, a translator device for some books. One book with a gold cover was to the left of the room.

You seemed to be happy for my first attempt, and I left.
The vividness was hard to stabilize, kind of wobbly, and it felt more ethereal (you included) than physical, though I managed to feel the walls.

I don't know if this was a successful attempt or my imagination. I hope it worked!

End of report.