hiroshima day, 6 august, peace dove bird poster,

6th abstract asia atomic attack august background bird black blast bomb branch burst card cartoon circle concept creative danger day design destruction detonation disaster dove earth element explode explosion fire flames fly freedom graphic greeting heat hiroshima history holiday icon illustration isolated japan japanese light military nagasaki national nuclear origami paper peace person pigeon postcard poster radiation radioactive red remembrance ribbon signs silhouette support symbol tokyo traditional tree vector war warfare weapon white yellow