Ключевые слова: activity, african american, athletic, black man, cropped, daylight, daytime, earphones, elderly, exercise, fit, fitness, fitness tracker, grey hair, listening music, man, one person, outdoors, outside, park, partial, pensioner, retired, selective focus, senior, smart watch, smartwatch, sport, sportive, sportsman, sportswear, sporty, summer, summertime, sunlight, sunshine, touching, wearable technology, workout,