Visitors flock to amusement parks in record numbers to ride the latest scream machines. But most are unaware of what it takes to create so many thrills and chills. Today's park designers and builders are using the latest in computer programs and advanced tools to build today's world-class roller coasters. This Discovery Channel special takes you behind the scenes for the creation of two mega coasters: Lightning Racer at Hershey Park, and Steel Dragon 2000 in Japan. It's all part of the stories behind the making of a coaster (I smell a title!)
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