Ключевые слова: architecture, area, arena, audience, background, bench, chair, chairs, color, concert, empty, event, fans, football, free, game, goal, green, group, line, many, nobody, number, objects, outdoor, pattern, perspective, place, plastic, public, reserved, row, seat, seating, seats, section, sector, show, sit, soccer, sport, stadion, stadium, texture, tribune, unoccupied, urban, vacant, view, watch,