Ключевые слова: action, active lifestyle, active retirement, active senior, activity, agility, aging, clear sky, competitive, concentration, coordination, determination, elderly, elderly exercise, engaging in sports, enjoyment, exercise, fitness, focus, fun, grandmother, health, healthy aging, hobby, leisure, lifestyle, motivation, movement, outdoor, physical activity, playing, racket sports, recreation, retirement activity, senior athlete, senior health, senior sports, senior woman, sport, sports outfit, sportsmanship, summer, sunny day, tennis, tennis court, tennis player, viewfinder, vitality, wellness,