abstract appearance background blended blue cloud clouds colored colors coloured colours conditions fine formations light shapes skies sky southern spread spreading sun textures thin vaporish vapourish variations various-cloud-formations weather white wispy bright brilliant circle colorful colourful contrast contrasting dark dramatic dusk evening glory gold golden halo lighting rays setting sun shining sun-rays sunset black & white greyscale streaks streaky various cloud-formations atmosphere atmospheric cloud-formations following line movement moving streak trail trailing