Museum for Applied Art, 1999, D-Cologne
Topic: Light + Work.
Exhibition of the work of the office
EXPO 2000,
Environmental Pavilion

Exhibition to demonstrate the new Koester
Retro-Technology in the Environ-
mental Pavilion with the support of the DBU (German Federal Foundation for the Environment)

WiTAG-Technology-Pavilion "PRO-Day"
Light+Building 2002, D-Frankfurt
Lighting Design: Koester Lichtplanung
Architects: Gatermann + Schossig, D-Cologne