Ключевые слова: aisle, arena, audience, auditorium, background, bench, blank, blue, bottom, chair, color, concert, empty, event, fans, football, game, grandstand, hall, horizontal, line, modern, new, nobody, number, objects, outdoor, pattern, place, plastic, presentation, public, red, row, seat, seating, section, sit, sitting, soccer, spectator, sport, stadium, stage, stairs, stand, steps, theater, urban, vacant,