Tracking and old bull elephant may lead us on a path to discovering the ancient paths of Angola. Subscribe: bit.ly/BBCEarthSub Watch more: Planet Earth bit.ly/PlanetEarthPlaylist Blue Planet bit.ly/BluePlanetPlaylist Planet Earth II bit.ly/PlanetEarthIIPlaylist Planet Dinosaur bit.ly/PlanetDinoPlaylist Natural World: Elephants - The Long Walk Home Thousands upon thousands of elephants struggle through a dust-laden, apocalyptic landscape. Whirlwinds of sand a thousand feet high whip the desiccated moonscape. It is a journey that some will never complete. This is a story of vision, struggle, hope and one man's dream to bring freedom to over a hundred thousand beleagured African elephants. Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of entertaining and thought-provoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this. Want to share your views with the team? Join our fan panel: tinyurl.com/YouTube-BBCEarth-FanPanel This is a page from BBC Studios who help fund new BBC programmes. Service information and feedback: bbcworldwide.com/vod-feedback--contact-details.aspx