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NGC goes inside one of the greatest natural marvels on the planet - a giant crystal cave described as Superman's fortress, with magnificent crystals up to 36 feet long and weighing 55 tons. A team of experts venture into the cavern, enduring scorching-hot temperatures that could kill a human after just 15 minutes of exposure. They'll push the boundaries of physical limitation to explore a crevasse that could lead to another - and perhaps more spectacular - crystal cave.
శైలి: Documentary
తారాగణం: Robin Ward
క్రూ: Gary Lang (Writer), Rosella Tursi (Editor), Manuel Gálvez (Director of Photography), Gary Lang (Director), Gonzalo Infante Castañeda (Director)
స్టూడియో: National Geographic
రన్టైమ్: 1:47:31 నిమిషాలు
నాణ్యత: HD
విడుదల: Oct 09, 2010
IMDb: 5
దేశం: Canada, Mexico
భాష:
