New York City is called a concrete jungle, but far above our heads are real jungles -- lush gardens prospering on the rooftops of skyscrapers. Owners have converted boring roofs into relaxing, open-air back yards for barbecues and kiddie pools. It's country living in midtown Manhattan. These photos were shot from a Robinson R44 Raven II helicopter at 1,500 feet to get the perfect vantage.

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