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The Dark: Nature's Nighttime World

Episode 2: Amazon Flooded Forests

Duration: 1 hour

on BBC Four HD

Nature series. In the flooded forest in the heart of the Amazon, Dr George McGavin and the team discover species new to science in a giant cave system. Show more

BBC Four HD

About BBC Four

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.