Ключевые слова: active, activity, american, artificial, athlete, ball, baseball, bat, catch, closeup, color, competition, concept, concepts, court, editorial, equipment, game, grass, green, hard, health, horizontal, illustrative, lawn, lawn tennis, leisure, lifestyle, nobody, object, one, outdoor, park, part of, play, playing field, racket, racket sport, recreation, sport, sports and fitness, sports backgrounds, sports equipment, stringed, strings, studio shot, surface, tennis, tennis ball, vertical image,