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Modern Marvels
Season 4 • Episode 9 • Roller Coasters
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Modern Marvels Season 4, Episode 9: Roller Coasters
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? Watch Modern Marvels Season 4, Episode 9 Roller Coasters in HD free online. Enjoy high-quality streaming of Modern Marvels Season 4, Episode 9 and share your thoughts in the comments below!
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Episodes
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