National Geographic Documentary Films presents ; a Terra Mater Factual Studios production ; in association with Appian Way, Malaika Pictures, the Wild Lens Collective ; a film by Richard Ladkani ; directed by Richard Ladkani ; produced by Walter Köhler, Wolfgang Knöpfler
Art21 presents ; a production of Art21, Inc. ; directors, Deborah Dickson, Stanley Nelson, Pamela Mason Wagner ; producers, Veronique Bernard, Ian Forster, Nick Ravich