Ключевые слова: 70s, active seniors, activity, adult, body conscious, caucasian, clay, clay court, color image, exercising, expressing positivity, gray hair, green, healthy lifestyle, holding, individual sports, lifestyles, looking at camera, male, men, one person, only senior men, orange, outdoors, people, portrait, posing, racket, racket sport, real people, retirement, selective focus, senior adult, senior men, smiling, sport, sports activity, sports clothing, sports training, sunlight, sunny, tennis, tennis ball, tennis outfit, tennis racket, vitality, wellbeing, white, white hair,