4 janv. 1070 - Great Serpent Mound
Description:
1070 CEEarthwork/effigy mound
Adams County, Southern Ohio
Was most likely used for astrological events, since the ends of the "snake" match up with the winter solstice sunrise and summer solstice sunset
Ajouté au bande de temps:
Date:
4 janv. 1070
Maintenaint
~ Il y a 956 ans