画廊展览 机构展览 Ross Bleckner (catalogue) Venloer Straße 21, Cologne, 7 April – 6 May 1989 展览现场 List Index Ross Bleckner (catalogue) Venloer Straße 21, Cologne, 7 April – 6 May 1989 Installation view, 1989 Installation view, 1989 Installation view, 1989 Installation view, 1989 Installation view, 1989