The voice is Miki Endo, a 25 year old public worker in the Crisis Management Department of the city of Minami Sanriku. She is saying, roughly, “Please run away fast.” The mess of red beams are the skeletal remains of the building from which Endo made her final broadcast.
Read the entire article at GOOD: Heroes: Hear the Voice of the Heroic Young Woman Who Saved Thousands of Lives.