Example image of eyePlorer eyePlorer map for 'Ruhr': German language Germany North Rhine-Westphalia Urban area Agglomeration Lippe (river) Rhine Ruhr (river) Bergisches Land Metropolitan area Rhine-Ruhr Bochum Bottrop Dortmund Duisburg Ennepe-Ruhr-Kreis Essen Gelsenkirchen Hagen Hamm Herne, Germany Mülheim Oberhausen Recklinghausen Unna Wesel Rhineland Westphalia Europe London Paris Rhenish Massif Loess Carboniferous Coal Berlin Industrial Revolution Brownfield land Emscher Berg (state) County of Mark Duchy of Cleves Electorate of Cologne Prince-Bishopric of Münster Hellweg Free imperial city Hanseatic League Coal mining Blast furnace Coke (fuel)
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