Back in 2001, one of the nations biggest tragedies occurred at the World Trade Center in New York. When you mention the date September 11, 2001, most people can remember exactly where they were that day.

Our nation became united more than we ever have after those events, and prompted to build a tower signifying our freedom in the WTC's place.

It took many years to build, and you can see it all in 2 minutes.

Check out the awesome video below!

In 11 years time, workers worked hard to build the 'Freedom Tower' on the former place of the World Trade Center.

It's pretty inspiring.

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