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Guess correctly and be crowned "Castro Valley know-it-all" for the week.
Brownie points to the person who can tell us what it's a symbol of.
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Congratulations to for correctly guessing The symbol is of a picnic table and it can be found at
Have your own photos around town that you'd like featured in our Castro Valley photo challenge? Send them to analisa.harangozo@patch.com and see if you can stump our readers!
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