Think you know Petaluma? Then play our mystery photo game that tests not only your local knowledge, but attention to detail. If you think you have the answer, email karina@patch.com. First person to guess correctly, wins a $10 gift certificate to .
This week's clue: The whole town will be watching if you take a dive off this bridge.
Winner: Brian Sobel, who was the first to identify this photo as the Balshaw Bridge, which connects Water Street to the Golden Eagle Shopping Center. Congratulations!