Looks like Carsten Höller slides are Wiegand slides: https://www.wiegandslide.com/en/products/slides/event-slides.html https://www.wiegandslide.com/en/products/

Looks like Carsten Höller slides are Wiegand slides: https://www.wiegandslide.com/en/products/slides/event-slides.html https://www.wiegandslide.com/en/products/slides/event-slides... I guess the problem is that people see a slide and think playground/children's toy and that they are inherently safe, but the size of them can lead to trouble - there was one in the Tate Modern Gallery in London a few years ago that had to have safety personnel at top and bottom.