Ключевые слова: amphitheater, arena, audience, auditorium, background, blue, business, chair, color, comfortable, concert, conference, design, empty, floor, football, game, group, hall, interior, landmark, lecture, many, meeting, modern, nobody, old, outdoor, park, pattern, people, perspective, public, room, row, seat, stadium, stand, texture, theater, waiting, white, yellow,