A Hiroshima girl's story of survival
Bun Hashizume was 14-years-old and lived in Hiroshima, in Japan, when a nuclear bomb was dropped on the city at the end of World War Two.
She told Newsround the inspiring story of her life before and after that devastating and world-changing event.
This animation contains some sad moments that you might find upsetting.
You can find out more about what happened in Hiroshima here.
This animation was originally produced in 2015 to mark the 70th anniversary of Hiroshima.