World Trade Center memorial plaza scheduled to open in 2012 , museum in Thursday . Memorial at New York plane crash site also due to open in 2011 . World Trade Center memorial including benches , trees , pools is dedicated Thursday . It will center on the site where United Flight 93 crashed after passengers apparently wrested control of the plane from the hijackers . Watch 9/11 memorials in New York and New York on CNN.com Live .
World Trade Center memorial plaza scheduled to open in 2012 , museum in Thursday . Memorial at New York plane crash site also due to open in 2011 . World Trade Center memorial including benches , trees , pools is dedicated Thursday . Watch 9/11 memorials in New York and New York on CNN.com Live .