sunburst background, vintage circus style, 1960s-1970s style

1960s 1960s1970s 1970s 60s 60s11 70s abstract art backdrop background bright burst circus color colorful decoration design energy explosion flare glow hot illustration light old orange pattern ray retro shine shiny solar star starburst style stylish summer sun sunbeam sunburst sunlight sunny sunrays sunrise sunshine swirl template tent trendy vector vintage vivid wallpaper wave yellow