Remembering 9/11: The Evolution of Ground Zero

The Evolution of the 9/11 Memorial Service
Gary Hershorn / Reuters

Sept. 11, 2002
One year after the planes struck, the WTC site had been cleared of debris, and a simple wooden circle had been erected in observance of the attacks. Thousands attended the ceremony, many leaving flowers and mementos in honor of lost loved ones.

Get the Latest Photos from
Get TIME photos and pictures of the week delivered directly to your inbox.