(Gulnara Samoilova / Associated Press)People covered in dust walk over debris near the World Trade Center in New York. (Alex Fuchs / Associated Press)The remains of the World Trade Center. (Suzanne Plunkett / Associated Press)People flee as a World Trade Center tower collapses behind them. (Doug Kanter / AFP/Getty Images)A man stands in the rubble of the World Trade Center and calls out, asking if anyone needs help,(Hubert Michael Boesl / AFP/Getty Images)Smoke billows from the top floors of the World Trade Center towers. (Seth Wenig / Associated Press)Flowers cover the names of the victims of the 9/11 terrorist attacks before a ceremony at Ground Zero in New York on Monday.

Source: Los Angeles Times September 11, 2017 16:17 UTC