Ключевые слова: 2020, advertising, anniversary, art, backdrop, background, billboard, black, blackboard, blank, board, calendar, celebration, chalkboard, christmas, classroom, close, communication, concept, cooking, copy, dark, drawing, education, empty, frame, fresh, grunge, holiday, horizontal, learning, message, new year, nobody, note, old, retro, rough, rubbed, scratch, season, sign, text, texture, wall, white, winter, wood, write, year,