When Sir David Attenborough was in his mid-eighties, many thought he had retired; instead, he was embarking on a seven-year journey, revisiting some of the most astonishing landscapes and creatures on the planet.
From the Galapagos Islands to the deepest caves in Borneo; David's adventures across the globe.
From the ancient tropics of China to the depths of the Great Barrier Reef; David's adventure across the globe.