Nagasaki paid tribute to victims of US atomic bombing 77 years ago on Aug 9, with mayor saying Russia's war on Ukraine showed the world that another nuclear attack is "a tangible and present crisis".
The August 9, 1945, bombing came three days after the United States dropped its first atomic bomb on Hiroshima, the world's first ever nuclear attack that killed 140,000
One example of a black elephant was the nuclear bombings of Hiroshima and Nagasaki. The destructive power of the atom bomb stunned Japan into surrender