Not the first such site. If valid, a particularly nice Winter solstice marker, though.
http://www.ancient-origins.net/news-...ice-sun-002653
http://www.chron.com/news/houston-te...re-6051807.php
Image shows "sun sword" marking time of Winter solstice, and is from the study linked below.
http://cvassanangelo.org/uploads/arc...paint_rock.pdf
http://www.ancient-origins.net/news-...ice-sun-002653
http://www.chron.com/news/houston-te...re-6051807.php
Image shows "sun sword" marking time of Winter solstice, and is from the study linked below.
http://cvassanangelo.org/uploads/arc...paint_rock.pdf
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