Doves fly over the Hiroshima Peace Memorial Park in western Japan on August 6, 2015 during a memorial ceremony to mark the 70th anniversary of the atomic bombing of Hiroshima. Tens of thousands gathered for peace ceremonies in Hiroshima August 6 on the 70th anniversary of the atomic bombing that helped end World War II, but still divides opinion today over whether the total destruction it caused was justified. AFP PHOTO / KAZUHIRO NOGI