The French word for “roller coaster” is “montagnes russes” or “Russian mountains.” Since the origin of roller coasters, inventors have been improving the early designs that came from Russia to create astonishing amusement park thrill rides.
Research:

Elizabeth Bisland, Beyond the Trip Around the World
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SYMHC Classics: Marie Laurencin
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Behind the Scenes Minis: Censorship Cats
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