© BBC
Sir David Attenborough tells the stories of the world's best animal architects, and explores how they design, build and live in their amazing homes.
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There are house-proud bower birds, who only find a mate if they decorate their homes perfectly. There are hornets, who build electric central-heating systems, and the star-nosed mole whose house is so well designed that his favourite meal of worms literally drops in for dinner.
From larders to nurseries and from high-rises to subway systems, Attenborough shows that the animal architects had design sussed way before we humans.