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photo by Donald Kinney
2010 census data adds up to a whopping 7,002,425 for the 9 Bay Area counties including Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano and Sonoma. Roughly, a 50 mile diameter area.
Yet within this incredibly overpopulated zone, it is still possible to find quiet places, mostly at odd hours, where traces of most humanity all but vanish.