Stock photography, photos: Tree and sky. Stock photos of Trees are silhouetted against a blue sky in Elk Neck State Park on Maryland's Eastern Shore Photograph: © Dan Creighton Click for a larger image and more information Keywords associated with this stock photo: United States of America, world regions & countries, state park, park, ecology, environment, habitat, Elk Neck State Park, environmentalism, nature, bay, ecosystem, America, USA, water, Chesapeake, scenery, land, US, Maryland, North America, PA, plants, scenic, summer solstice, blue, IMAGE/COLOR/STYLE/FORMAT, CATEGORIES, blurred motion, unpolluted, vernal equinox, dominant colour, deciduous, style, Spring, tree, sun, beautiful, blurred, beauty, outdoors, branch, leaf, stem, sunlight, sky, season, vertical, skies, dominant color, forest, concept, Summer, conceptual, concepts