How have parks in the city been conceived, designed, used, and transformed, and what does this tell us about both city governance and the way the city is lived in by different kinds of inhabitants? 

Article -- with reference to new PBS documentary on ten parks-of-note around the US -- including two in NYC and one in Philly.
http://www.sustainablecitiescollective.com/dirt/1162883/10-parks-changed-america?ref=popular_posts