description: Photographic documentation of Jerzy Bereś’s manifestation "Reflective Mass" (23.05.1983), made in the Krzysztofory Gallery in Krakow. The Krzysztofory basement, it is dark. There is a table against the wall, with a bottle and glasses on it. In the background you can see Bereś’s sculpture "Flower" (1981/82), in the lower right corner a fragment of "Stigma" (1982). In the middle of the floor lies a newspaper, around it painted the word "sztuka" (art). The naked artist is standing next to the table and is putting down a jar of paint. Around it, on folding chairs, clockwise: Jerzy Hanusek, Bettina Bereś, Maria Pinińska-Bereś, Julian Jończyk, Marta Tarabuła, Janusz Tarabuła, Jerzy Wroński, Jerzy Kałucki, Anna Strycharska, Kazimierz Mikulski, Jonasz Stern.