BRACELETS IN THE SAHARA
In the center of the Sahara I found some structures that look like bracelets. Since I assume that these are also old graves, I called them "bracelet graves". Although they have a central rotunda with two arms extending from them, they don't seem to fit in with the large family of antennae graves. I haven't seen these strange shapes anywhere else on the internet either. What are they? How old or young are they? does anyone know more?(Geographical coordinates below the pictures)
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Images courtesy of Google Earth™
Even the renowned specialist for prehistoric Sahara monuments Yves Gauthier could not tell me anything about these structures. He himself has a few dozen of them in his database, but he doesn't know more than that they exist, he told me when I asked. So far, he is not aware of any scientific publication about it or whether a name is already in use for it somewhere.
These pictures are only a small selection. All the objects I found are included in the following download (Google Earth required): Download placemarks of 43 bracelet monuments >