christ gordon was there when new yorkers heard the news and caught the emotional reaction interest the city that bin laden led an attack on nearly ten years ago. >> usa! usa! >> reporter: i'm standing at the base of the world trade center, ground zero. i'm surrounded by hundreds, if not thousands, of young people who all converged on downtown manhattan, ground zero, with american flags flying. somebody climbed up a street pole at church street with a sign that said "obama, 1, osama, 0" they've been singing god god bless america, the star spanginged banner, god bless the usa. the crowd was so big the police came through and said step to the right, step to left, and applauded the police. i haven't seen that possibly in years going back to the vietnam war that people in the street applauded police. they applauded when world trade center crews came through here. they're rebuilding an area of -- called wtcp, world trade center project, and the people all who came here waving flags, wearing flags, singing songs, feel that they came together at an historic moment for history, that some of the