Dune. Over the past 10,000 years, dunes have made their way from the windswept shores of the Atlantic across Africa's Namib Desert. Graphics and time-lapse imagery are used to capture the formation of these ridges of sand and the huge impact they have had on animals and plants. Brian Cox narrates. Producers Patrick Morris and Jeremy Bristow ; Series editor
Michael Gunton (AD) www.bbc.co.uk/nature