Hiroshima is marking the 80th anniversary of the U.S. atomic bombing of the western Japanese city. Many aging survivors express frustration over growing global support for nuclear weapons as deterrence.

As the world marks 80 years since the atomic bombing of Hiroshima, calls for nuclear disarmament are growing louder, but so are the tensions between the world’s nuclear powers.

The atomic bombings of Hiroshima on August 6, 1945, and Nagasaki three days later brought a scale of destruction the world had never seen.