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
6 bicycle spirals, galvanised steel, Ø 75 cm, length 270 cm

Address
Helmholtzstraße 18, 53123 Bonn