Ключевые слова: active, aisle, arena, athletic, audience, auditorium, background, baseball, bench, blank, bleachers, blind, blurred, business, canopy, chair, club, color, columns, competition, congress, depth, door, empty, espana, euro, event, fan, field, football, game, group, horizontal, line, madrid, numbers, open, outdoor, plastic, red, row, running, santiago, seat, shallow, spectator, sport, stadium, stadium empty seats, venue,