A gyalogos hullámvasút, a 21 méter magas, kanyargó lépcsősor Duisburgban
![gyalogos hullámvasút, lépcsősor Duisburg culture weather TOPSHOTS Horizontal](https://cdn.origo.hu/2023/12/TBiNgAcrJ3g-VALY-5lD96KS1nPLErhsuRgTG_8fLyA/fill/1347/758/no/1/aHR0cHM6Ly9jbXNjZG4uYXBwLmNvbnRlbnQucHJpdmF0ZS9jb250ZW50LzkzM2U1NDhlODFkYTRhOTNiZjMzMjU3MTExYzRlZjIw.webp)
Visitors walk on the large sculpture 'Tiger and Turtle' on a cloudy summer day in Duisburg, on July 13, 2023. Tiger and Turtle - Magic Mountain is a large sculpture modelled on a roller coaster and is a work of art by Heike Mutter and Ulrich Genth that was developed as part of the Ruhr.2010 Capital of Culture. (Photo by Ina FASSBENDER / AFP)