https://en.wikipedia.org/wiki/Human_Shadow_Etched_in_Stone Human Shadow Etched in Stone (人影の石, hitokage no ishi)[2] is an exhibition at the Hiroshima Peace Memorial Museum. It is thought to be the residue of a person who was sitting at the entrance of Hiroshima Branch of Sumitomo Bank when the atomic bomb was dropped over Hiroshima. It is also known as Human Shadow of Death[1] or simply the Blast Shadow.