Ключевые слова: background, biosphere, blue, branch, bright, chalk, clean, cliff, countryside, crown, deciduous, ecosystem, emblem, environment, foliage, fresh, green, grow, hill, hillside, israel, landscape, leaf, lonely, meadow, mountain, national, nature, old, one, pubescent oak, reserves, rock, sky, spring, stone, summer, sunny, symbol, top, tourism, travel, tree, trekking, trunk,