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• Position: BUILDINGS - World's tallest buildings - Brief article

At 1,776 feet, One World Trade Center in New York is officially the tallest building in the U.S.-topping the Willis Tower in Chicago, at 1,451 feet. The Council on Tall Buildings and Urban Habitat counted the New York structure's 408-foot-tall spire as part of its height, which some say is unfair. (Antennas, by contrast, don't count.) Here's how America's tallest building measures up against the world's tallest buildings.

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