Related Clues:

• Ruhr River city
• Original Krupp Works city
• Museum Folkwang site
• Dine, in Düsseldorf
• 5-Down hub
• City near Cologne
• Westernmost German city
• Former German coal center
• City near the Ruhr and Rhine
• German metropolis
• Museum Folkwang city
• Germany's University of Duisburg-__
• City of the Ruhr
• German steel center
• Industrial city of the Ruhr Valley