Know where this is? Take a guess and let us know in the comments.

Update, 9.35am: It took Leslie just minutes to guess correctly that this photo was taken in the Berkeley Adventure Playground at the Marina. Congratulations Leslie!

Photo: Tracey Taylor.

Tracey Taylor is co-founder of Berkeleyside and co-founder and editorial director of Cityside, the nonprofit parent to Berkeleyside and The Oaklandside. Before launching Berkeleyside, Tracey wrote for...