USA,
(2009–2010), 5 h 50 min
(Length: 50 min)
Episodes(7)
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Extreme Helicopter (S05E01)
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Skyscraper (S05E02)
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UK Super Train (S05E03)
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Wave Energy (S05E04)
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Secrets of Oscar Tar Bridge (S05E05)
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China's Smart Tower (S05E06)
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Future Bridge (S05E07)