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Dr. Zeb Hogan travels to one of the world's largest waterfalls in Laos, where each year millions of fish climb the falls to spawn.
First Air Date : Jul 13, 2009
Last Air date : Jun 15, 2018
Episode : 58 Episode
Season : 7 Season
Runtime: 44:14 minutes
Studio: Nat Geo Wild
Country: United States of America, Canada
Cast: Zeb Hogan
Crew:
