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"Celtic Stone", Leukerbad, Switzerland
So called “Celtischer Stein” (celtic stone) south of Leukerbad, Switzerland (for a map see https://goo.gl/5y4RKY) showing an artificially incised circular shaped groove. Undated, but attributed to the “Neolithic” (sic!) by local folklore. The stone has apparently been destroyed in the 20th century, parts of it have been rediscovered in 2011/2012. Today, a picnic spot has been created around it.
Lacking a “proper camera”, the model is the result of a spontaneous comparison of the photogrammetry related image quality of two cell phones, the Huawei P10 and a Lumia 640 LTE. The resulting mesh is derived by combining the images from both phones, the texture uses only the Lumia phone pictures as the Huawei phone picture somehow caused problems with flickering pixels.
For further details (in German) see http://ssdi.ch/Inventar/VS/3954.01.pdf.
Recorded in October 2017. Higher resolution model on request.