SEPT. 11 -- September 11, 2013 at 1:14 PM ET
Help identify faces in the crowd from 9/11
"Time" is asking people to help identify Patrick Witty's incredible photo of onlookers just as the Twin Towers collapsed.
I took this photo 12 years ago today, just as the South Tower collapsed. Help me identify the subjects. pic.twitter.com/pddkHtmKP3— Patrick Witty (@patrickwitty) September 11, 2013
H/T Colleen Shalby.