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Watch Modern Marvels Season 6 Episode 22 Online

  • 7.9/10
  • COUNTRIES: United States of America
  • Subtitles: English

Even in ancient times, city dwellers needed a scenic break from the urban landscape. But parks play a more important role than mere relief from tension–they also keep temperatures down and supply much-needed oxygen in congested cities. Come along for a stroll through New York City’s Central Park and L.A.’s Griffith Park.