COOP. Walk 2002
Sylvesterparty with the HR
in Vellmar, Kassel.
In the Performance Objekts
of CH. Niestrath and Ph. Göbel.

COOP.WALK 2003
More cities and pedestrian areas.
Extending actions, renovation
of the container, ORTUNGEN.

COOP.WALK 2004
More pedestrian areas
and ORTUNGEN.
New objects from Koppenbrink:
"Initiative" and "reflect the sky".

COOP.WALK 2005
Cities in Germany.
In November the first journey
from Germany to Brüssel.