20th anniversary of 9/11 attacks marked with ceremonies
Chuck Schumer arrives at the 9/11 Memorial on Saturday. Pool Photo by Anthony Behar/UPI
Sen. Kirsten Gillibrand, D-N.Y., arrives at the 9/11 Memorial on Saturday. Pool Photo by Anthony Behar/UPI
Former New York City Mayor Michael Bloomberg arrives at a ceremony at the 9/11 Memorial on Saturday. Pool Photo by Anthony Behar/UPI
Port Authority police attend the 9/11 Memorial on Saturday. Pool Photo by Chip Somodevilla/UPI
Police Commissioner Dermot Shea arrives for ceremony at the 9/11 Memorial on Saturday. Pool Photo by Anthony Behar/UPI
Family members of Jayesh Shah make a rubbing of his name at the 9/11 Memorial on Saturday. Pool Photo by Mike Segar/UPI
Former New York City Mayor Rudy Giuliani (C) attends the 9/11 commemoration ceremony at the National 9/11 Memorial and Museum on Saturday. Pool Photo by Chip Somodevilla/UPI
A man mourns at the 9/11 Memorial on the 20th anniversary of the September 11 attacks in New York City on Saturday. Pool Photo by Mike Segar/UPI
A woman wipes a tear at the 9/11 Memorial on Saturday. Pool Photo by Mike Segar/UPI
A U.S. is flag placed along with a photo of the Twin Towers and the name Daniel P. Trant, a Cantor Fitzgerald bond trader that died during 9/11, at a ceremony at Ground Zero on Saturday. Pool photo by Anthony Behar/UPI
An NYPD Honor Guard marches in with a damaged U.S. flag on Saturday. Pool photo by David Handschuh/UPI
A staff member places a flag at the memorial on Saturday. Pool Photo by David Handschuh/UPI
Candles line the Wall of Names during the luminaria service at the Flight 93 National Memorial in Shanksville, Pa., on Friday. Photo by Archie Carpenter/UPI
Visitors are silhouetted after the luminaria service at the Flight 93 National Memorial on Friday. Photo by Archie Carpenter/UPI
Visitors unfold a large flag to honor the passenger and crew of Flight 93 at the Flight 93 National Memorial on Friday. Photo by Archie Carpenter/UPI
Visitors wait for the start of the luminaria service at the Flight 93 National Memorial on Friday. Photo by Archie Carpenter/UPI