Production Companies: BBC , Terra Mater Factual Studios .
Overview: Sir David Attenborough is in the Swiss Jura Mountains to discover the secrets of a giant. Beneath his feet lies a vast network of tunnels and chambers, home to a huge empire of ants. It is believed to be one of the largest animal societies in the world, where over a billion ants from rival colonies live in peace.
, Terra Mater Factual Studios 
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