Ключевые слова: activity, aerial, athlete, background, ball, baseline, blue, center, championship, competition, court, deserted, design, dimension, empty, exercise, eye, field, game, ground, leisure, lifestyle, line, match, net, no people, nobody, outdoor, pattern, play, playground, playing, professional, racket, recreation, sport, sporting, stadium, surface, tennis, texture, top, tournament, training, view, white,