This was the only documentary made in the aftermath of the atomic bombings of 1945. Japanese filmmakers entered the two cities intent on making an appeal to the International Red Cross, but were promptly arrested by newly arriving American troops. The Americans and Japanese eventually worked together to produce this film, a science film unemotionally displaying the effects of atomic particles, blast and fire on everything from concrete to human flesh. No other filmmakers were allowed into the cities, and when the film was done the Americans ...