When did Horizon Season 9 Episode 33 air?
Horizon Season 9 Episode 33 aired on December 28, 1972.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 9 · Episode 33
Navigating Europe
Dec 28, 1972·1h
Horizon documents how in Europe, they are using water canals for industrial transport, as an alternative to roads.
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How long is Horizon Season 9 Episode 33?
This episode runs for approximately 60 minutes.
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