One World Trade aims high
New York - One World Trade Centre is expected to claim the title of New York City's tallest skyscraper on Monday as workers erect steel columns that will make its unfinished skeleton a little over 381m tall.
That's just high enough to peak over the roof of the observation deck on the Empire State Building.
The milestone carries an asterisk.
The tower still isn't as high as the antenna that sits on top of the Empire State Building.
Experts usually don't count antennas or flagpoles when measuring building height.
When complete, One World Trade will be the nation's tallest building at 541.3m, but that's only if you count the 124.3m-tall antenna spire that will sit on its roof.
Otherwise, it will still be Number 2 after the Willis Tower in Chicago.