Ключевые слова: architecture, arena, audience, background, bench, blank, bleachers, blue, building, chair, chairs, color, competition, concert, empty, event, field, football, game, grandstand, group, horizontal, line, modern, nobody, number, objects, outdoors, pattern, place, plastic, presentation, public, red, row, seat, seating, section, sit, sitting, soccer, spectator, sport, stadium, stage, stand, theater, united, vacant, venue,