Curious City is a news-gathering experiment designed to satisfy the public's curiosity. People submit questions, vote for their favorites, and WBEZ reports out the winning questions in real time, on Facebook, Twitter and the timeline above.

This sixth voting round's winner is Jaemey Bush from Chicago's Little Village neighborhood. Her question is: "What factors determine the quality of city parks and playgrounds?"

We're tracking down answers now, so check back for updates as we go along.