Zollverein, खनन टावर, कोयले की खान, खुदाई, एस्सेन, खंडहर क्षेत्र, उद्योग, औद्योगिक संस्कृति, वैश्विक धरोहर, भारी उद्योग, खंडहर संग्रहालय
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