Story Line
How science and nature combine to purify water in a reservoir. Micro-cinematography shows the bacteria present in the water.
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Rating
0.0/ 10
Release Date
1927-01-01
Runtime
6m
Genres
Documentary
Part of the Series
How science and nature combine to purify water in a reservoir. Micro-cinematography shows the bacteria present in the water.
Rating
Release Date
1927-01-01
Runtime
6m
Genres
Part of the Series