alternative; beautiful; windturbine. blue; cloud; cloudscape; color; conservation; day; electricity; energy; environment; environmental; farm; field; fuel; generation; generator; global; grass; green; image; industry; landscape; low; meadow; mill; nature;: Bilder zum Thema alternative; beautiful; windturbine. blue; cloud; cloudscape; color; conservation; day; electricity; energy; environment; environmental; farm; field; fuel; generation; generator; global; grass; green; image; industry; landscape; low; meadow; mill; nature; bei ClipDealer