Ключевые слова: 1415 years, 5559 years, 6064 years, acircnbspbeijing, active seniors, affectionate, assistance, bonding, care, china, chinese ethnicity, clear sky, content, day, discussion, exercising, family, focus on foreground, generation gap, granddaughter, grandfather, grandmother, holding, holding hands, horizontal, lifestyles, love, low angle view, mature women, multigeneration family, outdoors, park, photography, positive emotion, recovery, relationship, senior men, sharing, sky, smiling, standing, talking, teenage girls, three people, three quarter length, togetherness, touching, vitality, walking,