This morning, the spire went up at One World Trade Center in Manhattan.
Once it's completed, the building will tower at 1,776 ft., making it the tallest building in the Western Hemisphere—but it still won't be the tallest building in the world.
That title still belongs to the Burj Khalifa in Dubai.
The Council on Tall Buildings and Urban Habitat ranks the currently standing tallest buildings in the world, as well as proposed skyscrapers and those that are currently under construction.
We looked at buildings that have already been completed, and those that are still under construction but have already reached record heights, to see where One World Trade falls.
#12 Guangzhou International Finance Center - Guangzhou, China. Height: 1439 feet
#11 KK100 - Shenzhen, China. Height: 1449 feet
#10 Willis Tower - Chicago, USA. Height: 1451 feet
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