Some people never grow up.
I suspect this is the sort of thing you can only see on the West Coast, where you can still occasionally find hippies driving around in VW Microbuses.
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G1, 30mm, f/5.3, 1/1600, ISO100
Someone really should tell these folks the Sixties ended a while back, valid as their sentiment may be.
Spotted, where else?, in San Francisco.