I organized the images in simple categories.
Stones
Engravings (and letters or symbols)
Heads
Faces
Statue/stele
Man\Woman
Hollow
Smooth stones
Strategic passages
Prehistory in the southwestern Alps: A journey
Ancient civilizations: landscape and signs
I organized the images in simple categories.
Stones
Engravings (and letters or symbols)
Heads
Faces
Statue/stele
Man\Woman
Hollow
Smooth stones
Strategic passages