Ключевые слова: agriculture, background, blank, book, closeup, concept, copy, cover, document, education, empty, environment, field, fresh, grass, green, growth, hard, illustration, imaginary, information, isolated, knowledge, land, landscape, learn, learning, library, literature, magic, magical, message, nature, notebook, open, page, paper, park, plant, print, read, road, school, sheet, study, text, texture, tree, water, white,