The Datum stone triangular set up with the Maen Llia/henge/cairn/working platform isosceles triangle superimposed.
All these are visible on Google Earth but you may need to toggle between the different dates to find them.
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Image Credit: cerrig
Posted by cerrig
4th April 2020ce |
NB: Unless otherwise stated, this image is protected under the copyright of the original poster and may not be re-used without permission.
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