directed by Harald Pokieser ; narrated by Natalia Reyes ; produced by Austrian Broadcasting Corporation Radio & Television (ORF), Cosmos Factory, NDR Naturfilm, Public Broadcasting Service, ARTE, DocLights
directed by Gernot Lercher ; narrated by James Lurie ; produced by Yvette Durrenberger, Elisabeth Faber, Gabriele Wistawel, Heike Lettau, Thirteen Productions
directed by Harald Pokieser ; narrated by Natalia Reyes ; produced by Harald Pokieser, Austrian Broadcasting Corporation Radio & Television (ORF), Cosmos Factory, NDR Naturfilm, Public Broadcasting Service, ARTE, DocLights
produced by Wall to Wall Television for BBC and PBS in association with ITEL ; written and presented by Henry Louis Gates, Jr. ; directors, Nicola Colton, Nick Godwin, Helena Appio