Ключевые слова: age, background, business, cheerful, collage, composite, crazy, dance, different, emotion, ethnicity, excited, expression, face, facial, fashion, fitness, fun, good, group, happiness, happy, home, male, man, millennials, mood, mosaic, multiple, music, overjoyed, people, person, portrait, positive, puzzle, reaction, set, smile, sport, square composition, studying, stylish, surprised, win, work, young,