Advertisement'They Thought I Was Dead': A Sept. 11 Survivor Recalls His EscapePlay02:52Download AudioSeptember 07, 2018Emma BowmanfacebookEmailJoe Dittmar was on the 105th floor of the World Trade Center's South Tower on Sept. 11, 2001. He recounts what happened that morning in a StoryCorps interview last year in Chapel Hill, N.C. (StoryCorps)