Ключевые слова: abstract, air, architecture, background, bird, blue, building, calm, city, cloud, cloudy, concept, construction, crystal, design, emotion, empty, environment, exterior, facade, flying, freedom, glass, landscape, loneliness, lonely, minimalism, mirror, nature, outdoor, perspective, philosophy, purple, reflections, seagull, sense, sky, skyscraper, space, symmetry, town, tranquil, travel, urban, zen,