Ключевые слова: abstract, aged, antique, architecture, backdrop, background, black, block, brain, brazil, brick, brickwork, brown, building, cement, clock, college, concentration, concrete, construction, dirty, effective, efficiency, grunge, intelligent, material, memorization, old, patience, pattern, plaster, pomodoro, productivity, red, retro, rough, stone, structure, surface, technique, texture, tomato, urban, vintage, wall, wallpaper, weathered, white,