At 8:15 hrs on August 6, 1945, the atomic bomb was dropped on Hiroshima City. Of the estimated 350,000 people in the city at that time, 90,000 to 166,000 were killed within two to four months after the bombing. The photo shows the resulting cloud prior to forming into a mushroom taken at about 8:17 hrs. Automatic colouring + manual correction by Tokyo University.
