Ключевые слова: africa, architecture, beringen, black and white, blue, bmine, building, coal, coal mining, colliery, color, colorful, construction, culture, evening, ewald, germany, gold, hamm, historic, history, industrial, industry, iron, landmark, light, machinery, metal, mine, mines, mining, morning, night, night photography, orange, outdoor, platinum, red, shaft, silhouette, steel, sun, sunrise, sunset, tourism, tower, wheel, work, yellow,