A man working in the Mack Rides factory in Germany
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Inside the Black Forest's rollercoaster factory

18 December 2015 Last updated at 00:07 GMT

Theme park ride creator Mack Rides has allowed cameras into its factory in Germany's Black Forest for the first time in its 235 year history.

The company delivered about 400 theme park rides last year, 117 of these were rollercoasters.

BBC Click's LJ Rich reports.

Camera operator: Marcus Gaines

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