This is a beautiful natural 4k video of Strong White Smoke In the blue Sky…Really nice colours and pleasure feelings guaranteed!:) You can use this video in your original projects or as websites background...Enjoy and thanks for buying! background, blue, clouds, dangerous, dark, ecology, energy, environment, epic, factory, fire, 4k, heaven, industry, moving, sky, smoke, smoke background, titles, toxic, video, war, weather, white, white smoke, wind, 4k video, no people, real time, long shot, color, natural lighting, day, exterior, cloudy, spring, summer, winter, looping