Ключевые слова: acorn, agriculture, background, blue, color, countryside, dehesa, environment, farm, farming, farmland, field, forest, grass, grassland, grazing, green, holm oak, iberian, landscape, leaves, meadow, mediterranean, nature, oak, pasture, peninsula, perennial, plain, plant, quercus, quercus ilex, rural, season, seasonal, sky, spain, spring, springtime, summer, sun, sustainability, sustainable, tree, woodland, woods,