After the single lethal attack in 1945: "Several Japanese civilians have visited ... to offer their apologies for the deaths that took place here, and several c

After the single lethal attack in 1945: "Several Japanese civilians have visited ... to offer their apologies for the deaths that took place here, and several cherry trees have been planted around the monument as a symbol of peace" [1] [1] http://en.wikipedia.org/wiki/Fire_balloon http://en.wikipedia.org/wiki/Fire_balloon