I'm ashamed to admit, that I have lived in, or close to, Tiburon, for some 45 years, yet today was the first time I visited the nearby petroglyphs in the Ring Mountain Open Space Preserve! These circles were carved centuries ago by pre-Columbian Coast Miwok Indians on hard bluechist rock, and were probably spiritual in nature. The word "petroglyph" comes from the Greek "petros" (stone), and "glyphein" (to carve).
Best of the Alps: Courmayeur
2 months ago
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