19 giug 1070 anni - Great Serpent Mound

Descrizione:

Earthwork/effigy mound
Adams County, Southern Ohio
• Largest serpent effigy in world- 1300ft long, 1-3ft high
• Architectural and sculptural
Made by settlers who cultivated maize, beans, squash with stratified society, organized labor force
Head aligns with summer solstice sunset and tail points to winter solstice sunrise

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