The Tetrahedron in Bottrop is a walkable steel structure in the form of a tetrahedron with a side length of 60m, resting on four 9m tall concrete pillars. It is …
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Tripadvisor
4.5/5 · 222 reviews
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Jun 10, 2024
There are 2 small parking spots just accross the street, for free. It's an easy 20min walk up, some 60m vertical ascent using the serpentines, very good asphalt. Some people use their bikes. You get … Full review by all_the_places
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