The monument to the children of the world – probably the most famous and the most touching monument from those established by the peace Memorial Park in Hiroshima. It was built with funds collected by the Japanese students, including classmates of the girl Sadako Sasaki, a survivor of a nuclear explosion and died ten years later from leukemia. The monument is dedicated to Sadako and the thousands of child victims of the nuclear disaster that occurred on 6 August 1945.

The opening of the monument took place in 1958 on 5 may, when Japan celebrated a national holiday - children's Day. The monument project was developed by the artists Kazuo Kikuchi and Kiyoshi Ikebe. Assistance in the installation of the monument also provided Hideki Yukawa, physicist, Japan's first Nobel laureate.

The monument is made in the form of a dome-shaped bronze pedestal, on top of which there is a figure of girls, and above it flies the crane. Inside the pedestal is suspended from the bell with the figure of a crane, next to the monument, you can always see a lot of paper figures of birds, woven in colorful garlands. At the foot of the monument there is a slab of black marble, on which in Japanese is written: "This is our cry. This is our prayer. For the sake of peace in the world".

In Japan the crane is a symbol of longevity and happiness. The history of Japanese Schoolgirls Sadako Sasaki became known worldwide thanks to her perseverance and the hope of a cure. At the time of the explosion she was two years old, and over the next ten years, Sadako was not observed any signs of radiation sickness. The first signs appeared in November 1954. Her best friend once brought Sadako in the hospital the figure of a crane, folded from a piece of paper, and said that for the execution cherished desire you need to make a thousand of these birds. The girl began to fold origami from any scrap of paper that fell into her hands. According to one version, she did more than a thousand cranes, on the other – only 644. But the paper birds are unable to return it to health, and October 25, 1955, Sadako died.