Ключевые слова: 1, 50s, 60s, adult, aged, aging, american, asian, body, care, chinese, city, expression, face, gray, green, grey, grey hair, hair, happy, head, health, issue, lifestyle, loss, male, man, middle, middle aged, negative, old, old man, one, park, pensioner, people, person, portrait, problem, retired, senior, senior grey hair, stress, treatment, urban, well being, wellbeing,