Ключевые слова: ancient, black smoke, blaze, blue, bright, burn, burning, burnt sienna, charcoal, clouds, cone, cone shaped, corrugated, corrugation, device, equipment, evening, fire, flame, fuel, heat, hot, illumination, iron, light, light blue, lighting, medieval, metal, night, old, orange, rust, rusted, sky, smoke, sparks, system, yellow,