Twelve Thieme bicycle spirals were installed at the Helmholtz Gymnasium in Bonn in summer 2013.
| Project participants | |
|---|---|
| Realisation | Summer 2013 |
| Execution | 6 bicycle spirals, galvanised steel, Ø 75 cm, length 450 cm |
| Address | Helmholtzstraße 18, 53123 Bonn |
Plan route
