Ключевые слова: atmosphere, background, blue, blurred, books, cartography, continent, copy, earth, ecology, education, environment, geography, global, globe, holder, indoors, knowledge, land, lesson, library, literature, mainland, many, map, model, nature, nobody, object, ocean, planet, read, school, science, sea, shape, space, sphere, stacked, study, supplies, table, text, university, wooden, work, world,