Ключевые слова: abstract, activity, athlete, background, ball, base, baseball, baseballs, close, closeup, color image, concept, conceptual, equipment, field, game, grass, green, ground, group, hit, hobby, leather, line, nature, outdoor, outside, pitching, play, player, practice, recreation, seam, shadow, sky, sphere, sport, sports equipment, summer, sun, sunlight, team, team sport, teamwork, wave,