- Countryside near 48 Degrees North, 8 Degrees East
- Vitra Slide Tower, Weil am Rhein
https://en.wikipedia.org/wiki/Vitra_Slide_Tower http://www.dezeen.com/2014/06/20/carsten-holler-builds-a-tower-with-a-slide-to-the-vitra-campus/ - Vitra Slide Tower, Weil am Rhein
https://en.wikipedia.org/wiki/Vitra_Slide_Tower http://www.dezeen.com/2014/06/20/carsten-holler-builds-a-tower-with-a-slide-to-the-vitra-campus/