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.
David Attenborough
Score: 8.0
Score: 7.6
Score: 6.8
Score: 7.6
Score: 0.0
Score: 7.6
Score: 7.9
Score: 5.1
