Celebrating the opening of One World Observatory, a new video reveal how New York's One World Trade Center has taken shape over the past 11 years.

The video was produced and directed by EarthCam CEO & Founder, Brian Cury, who notes on YouTube,"It's our mission to continue to document this for future generations, so people can see what it took to rebuild these important 16 acres."

According to a report on Fast Company's Co.CREATE:

Although many people wanted a speedier build-up, as a rebuke to those who destroyed the building in the first place, the project got bogged down in delays, design reconfigurations, budget disputes, and lawsuits. It took almost a year and a half after 9/11 before the city even decided on a rebuilding plan, and then construction finally got underway in October of 2004. Now, 11 years later, this video condenses that slow, steady progress into a two-minute salute to rebuilding.

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