Extreme Engineering unveils some of the most ambitious architectural plans ofThe DiscoveryStore.com'stime. Some are theoretical; others are in the works. But each of these modern marvels poses challenges that stretch the definition of what's possible. Watch as jaw-dropping computer animation and first-hand accounts from builders, designers and engineers breathe life into the most extreme construction projects ever conceived.Watch as work continues on the $4.5 billion USS George Bush aircraft carrier, midway through its four-year construction at Newport News, Virginia. While huge cranes – each capable of hoisting 900 tons – carefully lift 160 massive sections of the completed flight deck into place with metronomic accuracy, the pressure mounts as workers race to avoid any delays.
This title is part of Season 4.
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