Ключевые слова: abstract, arena, audience, background, bench, blank, chair, circus, color, colour, concert, crowd, empty, event, field, football, game, green, group, horizontal, line, new, nobody, number, objects, outdoor, outdoors, pattern, place, plastic, presentation, public, race, red, row, seat, seating, section, sit, sitting, soccer, sport, stadium, stage, stairs, stand, theater, tribune, united, yellow,