In this photo provided by Kings Island, Thelma Gratsch, center, celebrates her 90th birthday Friday, July 13, 2012, by riding her favorite roller coaster, Diamondback, at Kings Island amusement park in Mason, Ohio.  Gratsch estimates she has ridden the tallest and fastest roller coaster at Kings Island more than 100 times since the ride opened in 2009. (AP Photo Kings Island, Don Helbig)
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