Ключевые слова: action, active, athletic, background, ball, blue, competition, concept, court, day, detail, empty, equipment, exercise, field, fitness, game, green, ground, health, healthy, individual, leisure, lifestyle, line, match, net, nobody, orange, outdoors, pattern, people, play, player, professional, racket, recreation, red, serve, set, shadow, sports, stadium, summer, surface, tennis, texture, tournament, training, white,