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surface by means of chipping, scratching or grinding. Apparently, the use of the one or other of the techniques was a “decision of principle”. However, there are a few exceptions where both techniques occur together or are even superimposed one upon the other. Such sites naturally arouse the special interest of scientists. One of these sites is located in the Daureb.
This is the small Dome Ravine which is
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very limited in area. It is still largely unresearched and now offers an opportunity to explore the relationship between painters and engravers.
The increase in tourism in the Daureb, which is desirable for the development of the area, makes it necessary to prepare a whole package of measures to protect a treasure of this kind from destruction and at the same time eventually make it
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