Ключевые слова: arena, array, atmosphere, audience, auditorium, background, blank, chair, concept, concert, conference, cultural, dalat, empty, entertainment, famous, gathering, guest, hall, leisure, line, meeting, modern, nobody, outdoor, perspective, place, plastic, presentation, public, round, row, seat, seating, section, showtime, sit, spectator, stadium, stage, stand, success, theater, training, vietnam,