When did Horizon Season 17 Episode 5 air?
Horizon Season 17 Episode 5 aired on February 18, 1980.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 17 · Episode 5
The Cancer Detectives of Lin Xian
Feb 18, 1980·1h
Documentary film on cancer research in the remote Chinese valley of Lin Xian where the population suffers more than 100 times the incidence of oesophagal cancer than normal.
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How long is Horizon Season 17 Episode 5?
This episode runs for approximately 60 minutes.
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