| http://www.w3.org/ns/prov#value | - An object of the present invention is to provide a roller coaster which can solve all the conventional problems, and can operate not only a seat together with a car in such a manner as to perform a perpendicular running motion such as vertical descent, vertical ascent, vertical spiral motion and the like, but also with the seat in such a manner as to run backward, so as to significantly increase a
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