Horizon, Season 47, Episode 4, Is Seeing Believing
directed by Naomi Austin, fl. 2005; with Janine Spencer, fl. 2000, Justin O'Brien, fl. 2000 and Gustav Kuhn, fl. 2000; produced by Science Channel and British Broadcasting Corporation, in Horizon, Season 47, Episode 4 (London, England: BBC Worldwide, 2010), 57 mins
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