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A look at the US Navy's biggest submarine, the USS Pennslyvania.
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Revealing the technological leaps that have enabled the construction of the world's biggest oil rig.
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The biggest warship in the world owes her success to a century of innovation.
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The world’s longest suspension bridge is designed to withstand typhoons, tsunamis and earthquakes.
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The tallest man-made structure on earth, a city in the sky, is the pinnacle of skyscraper engineering.
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