Stock photography, photos: Winter pine trees Stock photos of Pine trees form a graphic pattern of vertical lines as they are covered with snow in an eastern forest. Photograph: © Dan Creighton Click for a larger image and more information Keywords associated with this stock photo: ecosystem, environment, environmentalism, ecology, season, Winter, winter solstice, dominant colour, IMAGE/COLOR/STYLE/FORMAT, white, dominant color, snow, snowing, weather, PA, land, concept, blurred, USA, scenic, scenery, America, world regions & countries, beauty, plants, CATEGORIES, tree, United States of America, concepts, conceptual, coniferous, outdoors, habitat, forest, Pennsylvania, Pine, blurred motion, beautiful, style, nature, unpolluted, vernal equinox, brown, US, conifer, vertical, North America, BW/COLOR, pattern, trees