How many creatures make their nests in rectilinear form? Earth-form circles large or small don't seem so mysterious if we look at the nesting methods of our furry and feathered kin. Whether to enclose real or imagined occupants, dead or alive, arranging earth in circular form seems like standard M.O! How'd so many of us get to thinking right angles were top choice? Most early people's constructed homes appear to have been round. Before aerial photography, the sure clue to an ancient site was leftover stones, depressions and berms. Today, hi-res satellite imagery can suggest previously overlooked sites to ANY amateur. Here is a Edin's Hall, one of supposedly few similar structures in the southern Scottish borderlands. But really? Look for yourself on Google Earth. This amateur sees similar scars nearby.
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