Stock photography, photos: Spinning Windmill at Sunrise Stock photos of A windmill spins as the sun rises above the horizon. Sheyenne National Grassland, North Dakota. Photograph: © Matthew Thalman Click for a larger image and more information Keywords associated with this stock photo: windmill, America, National Grassland, North America, North Dakota, Sheyenne National Grassland, United States, United States of America, US, USA, ecology, ecosystem, environment, environmentalism, habitat, landscape, nature, prairie, scenery, scenic, daybreak, sun up, sunrise, sunrises