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America's 58 National Parks
Saison 1 Épisode 11 - Carlsbad Caverns National Park
Documentaire
Carlsbad Caverns National Park located in southeastern New Mexico features several limestone caves. Large stalagmites rising from the floor and stalactites forming from the ceiling are all a result of ions slowly dripping water and sulfuric acid.
Réalisé par:Rolf Forsberg