On Sept. 11, 2001, Michael Hingson and his guide dog, Roselle, escaped from the 78th floor of the North Tower of the World Trade Center when the building was hit by a hijacked plane.
On Sept. 11, 2001, Michael Hingson and his guide dog, Roselle, escaped from the 78th floor of the North Tower of the World Trade Center when the building was hit by a hijacked plane.