Linford Christie and Sally Gray visit Leeds Castle in Kent to seek out more record-breakers, while Jez Edwards visits Germany to try out the sport of sandboarding on the world's largest man-made sand dune.
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Linford Christie and Sally Gray visit Leeds Castle in Kent to seek out more record-breakers, while Jez Edwards visits Germany to try out the sport of sandboarding on the world's largest man-made sand dune.
(S) (W)
BBC One
