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Hyenas chew production team cables

24 July 2014 Last updated at 01:59 BST

The production team from BBC Two documentary, Africa 2013: Countdown to the Rains, discovered that hyenas were chewing through their cables and cameras.

The half-chewed cameras are among the objects in an exhibition of natural history film-making titled Nature, Camera, Action! at the National Media Museum in Bradford.

Presenter Kate Humble explains the problem faced by the team.

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