Stock photography, photos: Skyscraper Stock photos of Skyscraper Photograph: © Elisabeth Cölfen Click for a larger image and more information Keywords associated with this stock photo: colour, ecosystem, industrial building, structures, nature, concept, office, architecture, scenery, color, activity, ascending, clouds, cumulus clouds, fish eye view, sky, cumulus cloud, climb, environmentalism, vertical, cloud, environment, commercial building, ascension, ecology, building, up, concepts, edifice, effort, figure, ascent, blue, sunlight, skies, active, outdoors, conceptual, habitat, ascend, skyscraper, cityscape, sun, architectural, activities