Tetrahedron Bottrop

The Tetrahedron Bottrop (in german “Haldenereignis Emscherblick” Tetraeder) in Bottrop (Ruhr area / Germany), composed of steel pipes and cast iron nodes, is a symbol of structural change in the region. The construction was erected on a former mining spoil tip. The slag heap on Beckstraße belongs to the generation […]

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