Stock photography, photos: Winter Tree Stock photos of A tree stands in stark contrast against an overcast winter sky on a snowy day. Photograph: © Dan Creighton Click for a larger image and more information Keywords associated with this stock photo: scenic, nature, scenery, trees, Winter, season, America, ecosystem, concepts, environment, snowing, Berks County, beautiful, dominant colour, environmentalism, white, tree, forest, habitat, beauty, land, outdoors, weather, concept, water, United States of America, North America, rural landscape, rural, PA, Pennsylvania, snow, conceptual, US, world regions & countries, field, Branta canadensis, winter solstice, ecology, IMAGE/COLOR/STYLE/FORMAT, ACTIVITIES/ACTION, USA, plants