A crew of ironworkers carries and sets more than 7 million pounds of steel rebar over 400 days. Watch them battle design flaws, architectural changes, irate subcontractors and the uncooperative weather.
The race is on to build and deconstruct, from islands to skyscrapers to consumer products. Who will triumph?Engineering FeatsHIGHLIGHTS:
Behind building three of the greats.Buy DVD
