Watch the September 11 Memorial Being Built in One Minute

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Photo: NBC

We are now less than three weeks away from the tenth anniversary of September 11 and the accompanying ceremony at the new memorial at ground zero. If you want to see how the memorial was built (hint: lots of cranes) but you're not up for watching years of video footage, here's a time-lapse video showing the construction between 2004 and 2011 in just one minute.