Ключевые слова: abstract, air, atmosphere, blue, bright, calm, clear, cloud, cloudscape, concept, conceptual, ecology, environment, field, flora, forest, fresh, glade, grass, grassland, green, harmony, heaven, landscape, meadow, nature, plain, plane, quiet, scenery, serene, serenity, shine, sky, spring, springtime, summer, sun, sunny, sunshine, tranquil, view,