Ключевые слова: agriculture, air, background, beautiful, blue, bright, color, country, countryside, day, ecology, environment, farm, field, flora, forest, freshness, grass, green, hill, land, landscape, leaf, light, meadow, morning, mountain landscape, natural, nature, open, outdoor, ozone, panorama, perspective, plant, refreshing, rural, season, sky, space, spring, summer, sun, sunlight, sunny, tourism, tree, vacation, wonderful, yellow,