Biskupin

Biskupin group of Lusatian Culture (not Slavic) Poland, 747 B.C.E. to 475 B.C.E,Iron Age fortress located 56 miles northeast of Posnan, Poland.

Elevation is c. 82 meters (268 feet) above sea level.

Materials: wood construction columns, beams, wall and roof construction; thatch roof.

Data for CG model:
1. https://web.archive.org/web/20161031152536/http://www.biskupin.pl/asp/pl_start.asp?typ= 13&menu=169&artykul=57&akcja=artykul
2. https://www.google.com/search?q=biskupin+history&source=lnms&tbm=isch&sa=X&ved=0 ahUKEwjrg9fHmojaAhVW3mMKHRMYC9oQ_AUICygC&biw=1276&bih=1507#imgdii= jgE0mlzzgIZn7M:&imgrc=T0q_QrDwX_AeCM:
3. http://structuralarchaeology.blogspot.com/2008/12/16-world-of-woos.html