Ключевые слова: arena, array, audience, backdrop, background, baseball, bench, bleachers, chair, chairs, color, concept, concert, cultural, empty, environment, event, fans, field, geometric, group, hockey, line, many, modern, nobody, olympic, outdoor, outside, place, plastic, public, row, rows, seat, seating, seats, section, sit, soccer, spectator, sport, sporting, stadium, symmetry, tribune, tribunes, vacant, viewer, yellow,