“the Biggest Painting in the World 2012 Hiroshima Flower Festival” was held by the side of Iris Stage, at the revetment on the other side of Hiroshima Peace Memorial in Peace Memorial Park. About 300 children patrticipating in the Flower Festival including the children of Hiroshima City Kindergarten, plus 45 students of Motomachi High-school of Hiroshima City joined the paintings, and the teachers of the Nursery School stitched them together.