Ключевые слова: 3d rendering, absence, back, back to school, backgrounds, book, business, chair, chalkboard visual aid, clean, color image, communication, concepts, copy space, defocused, design, desk, development, domestic room, education, elementary school, empty, empty desk, encyclopaedia, expertise, focus on foreground, front view, furniture, high school, homework, horizontal, human back, ideas, in a row, indoors, junior high, keywords classroom, learning, library, literature, open, reading, school building, student, table, teacher,