By tram No. 1 or No. 3 to the bottom of 19 Songshan, there are signs, which are easy to find. People who like history like to come to such places, telling the story of the atomic bomb "Little Fatty Man" dropped by the United States on Nagasaki on August 9, 1945. The library has done a good job, with pictures, objects and images, and vividly restored the scene at that time. The power of the atomic bomb is too great. It is the destruction and destruction of human beings. It is terrible. Therefore, all mankind should cherish peace, oppose war and oppose the use of nuclear weapons.