11 oct 1170 año - Great Serpent Mound

Descripción:

earthwork, effigy mound
Adams county, southern Ohio
serpent effigy
head at east, tail at west
association w/ astrology, head of serpent aligns with the summer solstice sunset, tail points to winter solstice sunrise. Marked time/ seasons/ when to plant or harvest??
Pole star aligns w/ the first curve of the serpent's body, marking true north
no evidence to support that the serpent has any burial purposes

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