Ключевые слова: 3d, 3d illustration, 3d rendering, blue, business, congo, construction, democratic, democratic republic of congo, environment, equipment, exploration, flag, fuel, illustration, industrial, industry, machine, natural, oil, oil well, oilfield, petroleum, pipe, plant, power, pump, rendering, republic, resource, silhouette, sky, sun, sunrise, sunset, symbol, technology, well, wells, yellow,