Ключевые слова: balkan, beautiful, beauty, belgrade, big, branch, broad, cloud, copy, countryside, ecology, emptiness, empty, endangered, environment, field, grass, green, kalemegdan, land, landscape, leaf, meadow, natural, nature, oak, old, one, peace, peaceful, rural, season, serbia, single, sky, solitary, solitude, space, spring, strength, strong, summer, symbol, tall, tree, trunk, vacant, vertical, white, wood,