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Episode 1.
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Episode 2.
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Episode 3.
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Episode 4.Hoover Dam
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Episode 5.
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Episode 6.Garbage Mountain
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Episode 7.Ice Hotel
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Episode 8.Supertanker
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Episode 9.Super Copters
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Episode 10.
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Episode 11.Science of Steel
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Episode 12.Rockeaters of Iceland
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Episode 13.
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Episode 14.
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Episode 15.Science of Concrete
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Episode 16.
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Episode 17.Impossible Bridges:China
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Episode 18.
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Episode 20.