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Watch Modern Marvels Season 4 Episode 9 Online

  • 8.5/10
  • COUNTRIES: United States of America
  • Subtitles: English

Since the turn of the 20th century, designers have competed to build them faster, taller, and steeper. But as technology pushes the envelope with flips, weightlessness, and more g-force than a jet, how many thrills can the human body take?