Elephants Sniffing Out 10 Million Landmines | The Long Walk Home | BBC Earth

Using their elephant sense of smell to detect ten million unexploded landmines to make their way home to Angola. 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 beleaguered African elephants.