How to watch the 9/11 memorial ceremony in NYC's Lower Manhattan Thursday marks 24 years since the Sept. 11, 2001 terror attacks, when hijackers crashed four passenger jets, two of them into the World Trade Center.

CBS Coverage of 24th Anniv WTC911
link- www.cbsnews.com/newyork/news... #wtc911 #nyc #cbs_wtc911 #24thAnniv_WTC911 #neverforget #memorial #usa #groundzero #freedomtower #9/11_memorial