The Thin Green Line
Clip: Season 1 | 8m 42s
Alison Stewart tours The High Line, a year-old elevated park in Manhattan. Built atop an old train trestle, it has already drawn millions of visitors. But it's more than a nice place to relax and take in the view -- it's an economic engine.
Aired: 09/16/10
Expired: 09/16/15
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