Great Serpent Mound (Indigenous Americas) (1 jan 1070 ano – 1 jan 1070 ano)

Descrição:

- Adams County, Ohio
- Was a mound in the ground created from grass
- Unknown artist
- The function of the mound is unknown, but theories were formed such as the marking of seasons because the head of the serpent aligns with the summer solstice sunset and tail aligns with the winter solstice sunrise. Debate about function continues

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