Ключевые слова: architecture, arena, audience, background, baseball, bench, blank, bleachers, chair, color, competition, concert, empty, event, fan, fans, field, football, game, grandstand, group, horizontal, line, nobody, number, objects, outdoors, pattern, perspective, place, plastic, public, row, seat, seating, seats, section, sector, sit, soccer, spectator, sport, sports, stadium, stage, stand, theater, tribune, yellow,