Ключевые слова: abstract, amphitheater, arena, assembly, audience, back, bright, center, colorful, colors, composition, concert, conference, contrast, convention, crowd, daylight, event, fabric, gathering, geometric, group, hall, huh, lecture, material, meeting, pattern, people, performance, perspective, presentation, rows, seats, seminar, shades, shadow, spectators, stage, sunrays, texture, theater, tones, view, vivid, workshop,