On August 6 each year the people of Hiroshima, Japan, set paper lanterns afloat in the river as a remembrance to those killed by the bomb dropped there in 1945. Three school children, Kozo, Shun, and Nozomi are budding artists challenged by their teachers to create a display the children choose to call Hiroshima: Then and Now for their families and classmates. Over the summer they ask friends and ...