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michael-otto-foto: Treppe Zeche Zollverein - Stairway Ruhr Museum
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michael-otto-foto: Ruhr Museum Grubenlampe Miner's lamp
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michael-otto-foto: Ruhr Museum Grundwasserproben
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michael-otto-foto: Ruhr Museum Grubenlampe Miner's lamp
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michael-otto-foto: Let's go and have a look Lass uns gehen und schauen
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michael-otto-foto: Ruhr Museum cars
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michael-otto-foto: Zeche Zollverein Fördertum
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michael-otto-foto: Eingang Ruhrmuseum
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michael-otto-foto: Ruhr Museum groundwater samples
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michael-otto-foto: Ruhr Museum perfume bottles
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michael-otto-foto: escalator Zollverein colliery
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michael-otto-foto: illuminated Stairway Ruhr Museum
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michael-otto-foto: staircase look down
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michael-otto-foto: the window
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michael-otto-foto: follow the light
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michael-otto-foto: but now fast upwards
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michael-otto-foto: illuminated Stairway Ruhr Museum
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michael-otto-foto: Colliery Zollverein - Ruhr Museum
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michael-otto-foto: macro shot
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michael-otto-foto: 17m level
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michael-otto-foto: Zeche Zollverein