Image of The Great Circle, North East Circle & Avenues (Stone Circle) by Jo-anne

The painting represents a possible use of mathematics and perspective by the Neolithic and Bronzeage people.

2 Stanton Drew megaliths.

Stone motives.
Symbols on spiked object, Skara Brae.
Symbols on bed in house 7, Skara Brae.

Image credit: Joanne Duijns.