Ключевые слова: abstract, background, blue, business, climb, cloud, cloudscape, concept, destination, dream, drive, ecology, empty, end, environment, freedom, heaven, heavenly, high, highway, journey, line, monorail, motion, moving, nature, nobody, outdoor, perspective, railway, rise, road, roadway, route, scenic, sky, speed, staircase, stairway, success, top, track, traffic, transportation, travel, tree, trip, view, way,