Ключевые слова: 3d, 3d composite, abstract, advertisement, background, blackboard, blank, blank space, board, book, bright, chalkboard, computer graphic, copy space, dark, design, digital composite image, digital generated, education, empty, empty space, flat, focus on shadow, focus shot, furniture, future, glow, graphic, gray, laying, learning, light, material, open, pattern, red, repeated, school, shadow, smoke, spark, studio shot, surface, swirling, table, technology, vapor, wallpaper, white background, wood, wooden,