The official 11 year time-lapse video of One World Trade Center is amazing. This footage was released to mark the opening of One World Observatory. It shows hundreds of thousands of high definition images captured from October 2004 to Memorial Day in May 2015. 

The observation deck is on the 100th to 102nd floors of the tower. At 1,298ft, the One World Trade Center is the tallest building in the western hemisphere and the fourth tallest in the world. You can check it out as it is open every day 9AM to Midnight.

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