These enigmatic threefold spirals in the Wadi Djerat were etched in rock with a simple stone wedge next to the imposing engraving of a rhinoceros on the northern Tassili Plateau, Algeria.
These enigmatic threefold spirals in the Wadi Djerat were etched in rock with a simple stone wedge next to the imposing engraving of a rhinoceros on the northern Tassili Plateau, Algeria.