Pororoca : the backward flow of the Amazon /
In April of each year, the flow of the Amazon collides with the flood tide from the sea, causing the river to flow in reverse. Camera coverage (via helicopter) chronicles this once-a-year occurance.
| Corporate Authors: | , |
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| Format: | Video VHS |
| Language: | English |
| Published: |
Princeton, NJ :
Films for the Humanities,
[1992]
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| Subjects: |