4 giug 1070 anni - Great Serpent mount
Descrizione:
1070 CEEarthwork/effigy mound
Adams County, Southern Ohio
The head of the serpent aligns with the summer solstice sunset, and the tail points to the winter solstice sunrise. This mound could have been used to mark time or seasons, perhaps indicating when to plant or harvest.
Aggiunto al nastro di tempo:
Data:
4 giug 1070 anni
Adesso
~ 956 years ago