Ключевые слова: action, aerial, amateur, american, arena, athletics, background, ball, bowl, california, cardinals, cheerleaders, college, college football, collegiate, columbus, competition, drone, education, equipment, fans, field, football, game, grass, helmet, league, line, pac 12 conference, pigskin, players, recreation, school, seating, sports, stadium, stanford stadium, team, teamwork, touchdown, under classmen, yard, youth,