Hi ... From what has been posted, and it is a very small image, the structure looks very much like a crude outline of what is found at Gobekli Tepe and also at Catal Huyuk

[1.bp.blogspot.com]

[bibliotecapleyades.net]

regards
Don

"There is nothing as impenetrable as a closed mind"
and ..." if everything is a coincidence what is the point of studying or measuring or analyzing anything ?" db