(CHICAGO TRIBUNE) One World Trade Center will be the nation’s tallest building when it is opens next year, a Chicago-based tall buildings council announced Tuesday.

The decision by the Chicago-based Council on Tall Buildings and Urban Habitat hinged on whether the tower’s mast was a spire, which counts in height measurements, or an antenna, which doesn’t.

“Even though the cladding was taken off the spire, you can still see that it is an architectural element,” said Antony Wood, executive director of the Chicago-based Council on Tall Buildings and Urban Habitat. “It is not just a plain steel mast from which to hang antenna or satellite dishes.”

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