Ключевые слова: active recreation, amateur, artificial, asphalt, athletic, baby legs, beginning, black, black sneakers, border, bottom, child, competitive, dream, equipment, field, football, football pitch, football stadium, gait, game, grass, green, ground, laces, lawn, legs, line, marking, match, movement, person, play football, run, shoes, sneakers, socks, sole, sport, stadium, start, step, street, surface, teenager, trainers, training, trajectory, walk, white,