Season 9 · Episode 4 of 14
Aired Nov 7, 1968
Structure
Thu, Nov 7, 1968
0 of 14 watched this season
Defying force of gravity, man has strewn his structures across earth. This program looks at some of them.
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Airs
Thu, Nov 7, 1968
Show
The Nature of Things
635 episodes
Episode
S9 · E4
in The Nature of Things