Title: The Tunnels
Subjects: Kennedy, john f. (john fitzgerald), 1917-1963, National broadcasting company, inc., Columbia broadcasting system, inc., Berlin wall, berlin, germany, 1961-1989, Tunnels, Escapes, Political activists, Refugees, germany, Documentary films, Berlin Wall, Berlin, Germany, 1961-1989, History, Refugees, Censorship, National Broadcasting Company, Inc Columbia Broadcasting System