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[narrator] The clay pipe is
at least 70 years old and a section is
completely collapsed
due to old age
at least 70 years old and a section is
completely collapsed
due to old age
Full Transcript
00:00:01.000 --> 00:00:03.055
[narrator] The clay pipe is
at least 70 years old
00:00:03.586 --> 00:00:06.826
and a section is
completely collapsed
due to old age.
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Movie Summary
An up-close look at the heroes that keep America's sewer systems running.