Color, 1970s footage of preliminary drawings of the World Trade Center (from film about its initial design and construction). Narration explains the elements of the WTC and statistics of size and number of people it would hold).<p>Construction of the World Trade Center; girders going up, hard hats at work. 1970s aerials of the World Trade Center.<p>Contemporary (pre-9/11) video of World Trade Center (beauty shots); aerial shots of WTC.