Stock photography picture of A silhoutte of windmills on a hillside on a cloudy day near Livermore California

A21C4N - Licenced Caption A silhoutte of windmills on a hillside on a cloudy day near Livermore California Keywords windy, wind, sky, skies, cloudy, scenics, scenic, landscape, outside, outdoors, outdoor, negative, space, horizontal, environmental, environment, grey, gray, colourful, colour, colorful, color, black, silhouette, backlit, backlight, america, american, ca, california, electricity, livermore, power, united, states, of, america, us, usa, windmills