When did Horizon Season 28 Episode 7 air?
Horizon Season 28 Episode 7 aired on February 11, 1991.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 28 · Episode 7
California Dreaming
Feb 11, 1991·1h
This Horizon documentary presents the US auto industry's response to clean-up the air in Los Angeles, California by the year 2007.
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How long is Horizon Season 28 Episode 7?
This episode runs for approximately 60 minutes.
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