tetraeder
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
tetraeder |
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| navigate by keyword : architecture bottrop building coal famous germany history industry iron landmark mining monument nordrhein ruhrgebiet sculpture sky steel structure tetraeder tetrahedron tip westfalen |
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| Famous tetraeder on a coal mining tip in Bottrop |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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