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World Trade Center (1973–2001) - Wikipedia
What Were the Twin Towers? (What Was?): 9780448487854: O'Connor, Jim, Who HQ, Hammond, Ted: Books - Amazon.com
On this day in history, April 4, 1973, World Trade Center opens in NYC, crowned by tallest towers on Earth | Fox News
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/cdn.vox-cdn.com/uploads/chorus_asset/file/19185000/3_190907_17_40_53_5DSR6185.jpg "World Trade Center construction in New York City: photos - Curbed NY")
World Trade Center construction in New York City: photos - Curbed NY
