AP PHOTOS: 9/11 Museum dedication ceremony

AP PHOTOS: 9/11 Museum dedication ceremony

Friends, relatives, rescue workers and survivors descended into the space where the World Trade Center once stood to explore artifacts of the 9/11 tragedy at the National Sept. 11 Memorial Museum. In a poignant ceremony, President Barack Obama dedicated the museum, saying it's a symbol of America that says: "Nothing can ever break us."

Many in the audience wiped away tears during the dedication ceremony, which revisited both the horror and the heroism of 9/11. Here is a selection of photos from the event.

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