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10 nov 1070 anni - Great Serpent Mound

Descrizione:

1070 CE
Earthwork/effigy mound
Adams County, Southern Ohio
The head of the serpent aligns with the summer solstice sunset, and tail points to the winter solstice sunrise. It has been suggested that the curves in the body of the snake parallel lunar phases, or alternatively align with the two solstices and two equinoxes.

Aggiunto al nastro di tempo:

Data:

10 nov 1070 anni
Adesso
~ 955 years ago

Immagini: