NEW YORK, June 4 ― Produced and directed by EarthCam, this commemorative time-lapse shows the construction of the One World Observatory in New York from October 2004 to its opening on Memorial Day 2015. Hundreds of thousands of high definition images were captured over the past 11 years and hand-edited for this exclusive movie.

One World Trade rises above the entryway of the newly opened One World Observatory in the Manhattan borough of New York. ― Reuters pic