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  1. Ancient Calendar?

    Snapshot Title: Ancient Calendar?
    Taken by: Christopher Davis

    Image: Painel do Pil√£o (Panel of the Pillar)
    Image Owner: Christopher Davis


    This is believed to be a type of calendar although the mystery is still unsolved. The chart includes full x's, 3/4ths of an X, single slashes (\) and single lines, and some entirely empty boxes. They ...