She heard:  “Escape to the mountain, escape to the mountain.”  She heard this over and over again.  Finally, Mutsuko and her three daughters packed up their belongings and left the city of Hiroshima.  The next morning at 8:16 a.m. she watched from the safety of the mountains as a blinding flash and a mushroom cloud covered the city below her. The atomic bomb had been dropped by the United States on Japan.