• 2 Videos, Slides, Films

• 2 Architecture
• 2 Design and construction
• 2 Skyscrapers
• 2 World Trade Center (New York, N.Y.)
• 1 Buildings, structures, etc

• 2 Films Media Group
• 2 Films for the Humanities & Sciences (Firm)
• 2 Public Broadcasting Service (U.S.)

• 2 English

• 2 New York
• 1 New York (N.Y.)

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