There is more than meets the eye in these designs. All these plates have patterns that I'm sure are ancient and the patterns look like patterns made by sound experiments called sound resonance with sand . Some have really complex designs just like the plates.
There is more than meets the eye in these designs. All these plates have patterns that I'm sure are ancient and the patterns look like patterns made by sound experiments called sound resonance with sand . Some have really complex designs just like the plates.