The thin green line: Investing in urban parks
Clip: Season 1 | 8m 24s
Need to Know visits the High Line a flowering oasis built atop an old train trestle on Manhattans west side It has drawn millions of admiring locals and tourists But its more than just a nice place to relax and take in the view its an economic engine
Aired: 08/04/11
Expired: 08/05/16
