Author Sir Terry Pratchett finds out what the future holds for orangutans, and discovers a new threat to their habitat that could push them to the brink of extinction. Show more
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Author Sir Terry Pratchett finds out what the future holds for orangutans, and discovers a new threat to their habitat that could push them to the brink of extinction. Show more
BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.
