The Rock City, or Sifar/Sefar Rocks. What is it.

Ran into this... whatever it is. Located in Algeria. Looks like a rock formation of a bizarrely aligned nature.
Sefar City

Matching the location to an older map (~1635), appears to place us at this location.



KD: Any thoughts?
It looks like the grid we see in dense urban areas, like a big capital. Weird, considering the following below

Edit 1
Aparently it's considered a forgotten city with the "oldest" pyramids and cave paintings, with some thinkers, in line with graham hancock and others of the same type, calling it the birth of civilization....
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