Senbazuru is made from a thousand Origami(colored paper for folding) cranes bundling by string. By making it, there is the popular belief it brings longevity and healing from disease, because the crane is the symbol of longevity. So it is sometimes sent to the hospital patients.
And it is also the symbol of peace. Because it was made by Sasaki Sadako who hoped to lengthen her life. She is a woman who suffered from the radiation effects of atomic bomb on Hiroshima and died from atomic bomb sicknes
