Today marks the 14th anniversary of the September 11 terrorist attacks in New York City.
To honor the thousands of people killed that day, a 9/11 commemoration ceremony will be held on the 9/11 Plaza starting at 8:40 A.M. The ceremony will include the traditional reading of names and moments of silence at differetn times throughout the morning.
Metro looks back at some of the most iconic images stemming from September 11, 2001 to theconstruction of One World Trade center and the 9-11 Memorial.
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Check out the official time-lapse video of the construction of One World Trade Center by EarthCam, and take a Google Maps virtual tour of the 9-11 Memorial.